{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-20496",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the UDP packet validation code of Cisco SD-WAN vEdge Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected system.\r\n\r\nThis vulnerability is due to incorrect handling of a specific type of malformed UDP packet. An attacker in a machine-in-the-middle position could exploit this vulnerability by sending crafted UDP packets to an affected device. A successful exploit could allow the attacker to cause the device to reboot, resulting in a DoS condition on the affected system."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Out-of-bounds Write",
                        "cweId": "CWE-787"
                    }
                ]
            }
        ]
    },
    "affects": {
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                                            "version_value": "19.2.099"
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                                            "version_affected": "=",
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                                        {
                                            "version_affected": "=",
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                                            "version_affected": "=",
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                                        {
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                                        {
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                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
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                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "20.1.3.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "20.6.5.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "20.6.3.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "20.3.7.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "20.6.5.4"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "20.9.2.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "20.3.8"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdw-vedos-KqFfhps3",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdw-vedos-KqFfhps3"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-sdw-vedos-KqFfhps3",
        "discovery": "EXTERNAL",
        "defects": [
            "CSCwd85135"
        ]
    },
    "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:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
                "baseScore": 6.1,
                "baseSeverity": "MEDIUM",
                "attackVector": "ADJACENT_NETWORK",
                "attackComplexity": "HIGH",
                "privilegesRequired": "NONE",
                "userInteraction": "NONE",
                "scope": "CHANGED",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "availabilityImpact": "HIGH"
            }
        ]
    }
}