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"vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco IOS 12.0 through 12.4 and IOS XR before 3.2, with IPv6 enabled, allows remote attackers on a local network segment to cause a denial of service (device reload) and possibly execute arbitrary code via a crafted IPv6 packet."}, {"lang": "es", "value": "Cisco IOS 12.0 hasta 12.4 y IOS XR anterior a 3.2 con IPv6 habilitado, permite que atacantes remotos en un segmento de red local provoquen una denegaci\u00f3n de servicio (recarga del dispositivo) y posiblmemente ejecuten c\u00f3digo arbitrario mediante un paquete IPv6 ama\u00f1ado."}], "id": "CVE-2005-2451", "lastModified": "2026-04-16T00:27:16.627", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": 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"http://www.securityfocus.com/bid/14414"}, {"source": "cve@mitre.org", "tags": ["US Government Resource"], "url": "http://www.us-cert.gov/cas/techalerts/TA05-210A.html"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/21591"}, {"source": "cve@mitre.org", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5445"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://archives.neohapsis.com/archives/fulldisclosure/2005-07/0663.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/16272"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securitytracker.com/id?1014598"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/warp/public/707/cisco-sa-20050729-ipv6.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["US Government Resource"], "url": 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