{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-20446",
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "state": "PUBLISHED",
        "assignerShortName": "cisco",
        "dateReserved": "2023-11-08T15:08:07.678Z",
        "datePublished": "2024-08-28T16:31:32.514Z",
        "dateUpdated": "2024-08-28T18:49:32.927Z"
    },
    "containers": {
        "cna": {
            "title": "Cisco NX-OS Software DHCPv6 Relay Agent Denial of Service Vulnerability",
            "metrics": [
                {
                    "format": "cvssV3_1",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                        "baseScore": 8.6,
                        "baseSeverity": "HIGH",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH"
                    }
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability in the DHCPv6 relay agent of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThis vulnerability is due to improper handling of specific fields in a DHCPv6 RELAY-REPLY message. An attacker could exploit this vulnerability by sending a crafted DHCPv6 packet to any IPv6 address that is configured on an affected device. A successful exploit could allow the attacker to cause the dhcp_snoop process to crash and restart multiple times, causing the affected device to reload and resulting in a DoS condition."
                }
            ],
            "references": [
                {
                    "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-dhcp6-relay-dos-znEAA6xn",
                    "name": "cisco-sa-nxos-dhcp6-relay-dos-znEAA6xn"
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
                }
            ],
            "source": {
                "advisory": "cisco-sa-nxos-dhcp6-relay-dos-znEAA6xn",
                "discovery": "EXTERNAL",
                "defects": [
                    "CSCwk27906"
                ]
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "NULL Pointer Dereference",
                            "type": "cwe",
                            "cweId": "CWE-476"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Cisco",
                    "product": "Cisco NX-OS Software",
                    "versions": [
                        {
                            "version": "10.2(1)",
                            "status": "affected"
                        },
                        {
                            "version": "10.2(1q)",
                            "status": "affected"
                        },
                        {
                            "version": "9.3(9)",
                            "status": "affected"
                        },
                        {
                            "version": "8.2(11)",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "providerMetadata": {
                "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
                "shortName": "cisco",
                "dateUpdated": "2024-08-28T16:31:32.514Z"
            }
        },
        "adp": [
            {
                "affected": [
                    {
                        "vendor": "cisco",
                        "product": "nx-os",
                        "cpes": [
                            "cpe:2.3:o:cisco:nx-os:10.2\\(1\\):*:*:*:*:*:*:*"
                        ],
                        "defaultStatus": "unknown",
                        "versions": [
                            {
                                "version": "10.2\\(1\\)",
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                    {
                        "vendor": "cisco",
                        "product": "nx-os",
                        "cpes": [
                            "cpe:2.3:o:cisco:nx-os:10.2\\(1q\\):*:*:*:*:*:*:*"
                        ],
                        "defaultStatus": "unknown",
                        "versions": [
                            {
                                "version": "10.2\\(1q\\)",
                                "status": "affected"
                            }
                        ]
                    },
                    {
                        "vendor": "cisco",
                        "product": "nx-os",
                        "cpes": [
                            "cpe:2.3:o:cisco:nx-os:9.3\\(9\\):*:*:*:*:*:*:*"
                        ],
                        "defaultStatus": "unknown",
                        "versions": [
                            {
                                "version": "9.3\\(9\\)",
                                "status": "affected"
                            }
                        ]
                    },
                    {
                        "vendor": "cisco",
                        "product": "nx-os",
                        "cpes": [
                            "cpe:2.3:o:cisco:nx-os:8.2\\(11\\):*:*:*:*:*:*:*"
                        ],
                        "defaultStatus": "unknown",
                        "versions": [
                            {
                                "version": "8.2\\(11\\)",
                                "status": "affected"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-08-28T18:45:44.020456Z",
                                "id": "CVE-2024-20446",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-08-28T18:49:32.927Z"
                }
            }
        ]
    }
}