{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-20929",
        "ASSIGNER": "psirt@cisco.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in the upgrade signature verification of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an unauthenticated, local attacker to provide an unauthentic upgrade file for upload.\r\n This vulnerability is due to insufficient cryptographic signature verification of upgrade files. An attacker could exploit this vulnerability by providing an administrator with an unauthentic upgrade file. A successful exploit could allow the attacker to fully compromise the Cisco NFVIS system."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Improper Verification of Cryptographic Signature",
                        "cweId": "CWE-347"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Cisco",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Cisco Enterprise NFV Infrastructure Software",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.5.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.5.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.6.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.6.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.6.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.7.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.8.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.9.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.9.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.10.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.10.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.10.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.11.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.11.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.11.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.12.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.12.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.12.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.12.1a"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "3.12.1b"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.1.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.1.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.2.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.4.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.4.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.5.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.6.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.6.2-FC3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.6.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.6.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.7.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.8.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "4.9.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-NFVIS-ISV-BQrvEv2h",
                "refsource": "MISC",
                "name": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-NFVIS-ISV-BQrvEv2h"
            }
        ]
    },
    "source": {
        "advisory": "cisco-sa-NFVIS-ISV-BQrvEv2h",
        "discovery": "EXTERNAL",
        "defects": [
            "CSCvz74003"
        ]
    },
    "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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "attackVector": "LOCAL",
                "attackComplexity": "LOW",
                "privilegesRequired": "NONE",
                "userInteraction": "REQUIRED",
                "scope": "UNCHANGED",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "availabilityImpact": "HIGH"
            }
        ]
    }
}