{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-20071",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. This vulnerability is due to a flaw in the FTP module of the Snort detection engine. An attacker could exploit this vulnerability by sending crafted FTP traffic through an affected device. A successful exploit could allow the attacker to bypass FTP inspection and deliver a malicious payload."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Automated Recognition Mechanism with Inadequate Detection or Handling of Adversarial Input Perturbations",
                        "cweId": "CWE-1039"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Cisco",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco Firepower Threat Defense Software",
                                "version": {
                                    "version_data": [
                                        {
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                                            "version_value": "6.2.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.8"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.10"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.11"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.9"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.12"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.13"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.14"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.15"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.16"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.17"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.2.3.18"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.5.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.5.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.6.7.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.1"
                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.8"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.9"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.10"
                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.13"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.14"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.15"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.4.0.16"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.7.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.7.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "6.7.0.2"
                                        },
                                        {
                                            "version_affected": "=",
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                                        {
                                            "version_affected": "=",
                                            "version_value": "7.0.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.0.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.0.1.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.0.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.0.2.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.0.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.0.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.0.5"
                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.1.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.1.0.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.1.0.3"
                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.2.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.2.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.2.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.2.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.3.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.3.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "7.3.1.1"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Cisco Umbrella Insights Virtual Appliance",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "N/A"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Cisco Cyber Vision",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.0.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.0.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.0.2"
                                        },
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                                            "version_affected": "=",
                                            "version_value": "3.0.3"
                                        },
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                                            "version_affected": "=",
                                            "version_value": "3.0.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.0.6"
                                        },
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                                            "version_affected": "=",
                                            "version_value": "3.1.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.1.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.1.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.2.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.2.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.2.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.2.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.2.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.0.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.0.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.0.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.0.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.1.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.1.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.1.2"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Cisco UTD SNORT IPS Engine Software",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.12.8"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.6.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.6.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.6.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.6.7a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.6.9"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "16.6.10"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.1.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.2.1r"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.4a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.3.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.17.0S"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.17.1S"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.4.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.4.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.4.1b"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.5.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.3a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.6.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.7.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.7.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.10.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.9.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.9.2a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.9.3a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "17.8.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Fuji-16.9.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Fuji-16.9.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Fuji-16.9.6"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Fuji-16.9.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Fuji-16.9.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Fuji-16.9.8"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Fuji-16.9.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Denali-16.3.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Denali-16.3.9"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Denali-16.3.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Denali-16.3.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Denali-16.3.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Everest-16.6.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Everest-16.6.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "Everest-16.6.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-ftd-zXYtnjOM",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-ftd-zXYtnjOM"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-snort-ftd-zXYtnjOM",
        "discovery": "INTERNAL",
        "defects": [
            "CSCwb69096",
            "CSCwd83613",
            "CSCwd09631",
            "CSCwe02137",
            "CSCwe57521"
        ]
    },
    "exploit": [
        {
            "lang": "en",
            "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
    ],
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                "baseScore": 5.8,
                "baseSeverity": "MEDIUM",
                "attackVector": "NETWORK",
                "attackComplexity": "LOW",
                "privilegesRequired": "NONE",
                "userInteraction": "NONE",
                "scope": "CHANGED",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "availabilityImpact": "NONE"
            }
        ]
    }
}