{"id":"CVE-2005-2451","aliases":["EUVD-2005-2452","GHSA-79vm-c3cm-gq5h"],"status":"published","title":"Cisco IOS 12.0 through 12.4 and IOS XR before 3.2, with IPv6 enabled, allows remote attackers on...","description":"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.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01409,"percentile":0.72818,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-08-03T04:00:00Z","modified":"2026-06-16T22:14:54Z","products":[{"vendor":"cisco","product":"ios"},{"vendor":"cisco","product":"ios_xr"}],"references":[{"url":"http://www.osvdb.org/18332","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/930892","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/21591","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA05-210A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://securitytracker.com/id?1014598","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20050729-ipv6.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2005-07/0663.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/14414","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5445","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://secunia.com/advisories/16272","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-2451"},{"url":"https://github.com/advisories/GHSA-79vm-c3cm-gq5h"}],"sources":{"cve":[{"id":"CVE-2005-2451","description":"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.","status":"published","published":"2005-08-03T04:00:00Z","modified":"2024-08-07T22:30:00.939Z","updated_at":"2026-11-02T14:33:37.840038Z"}],"euvd":[{"id":"EUVD-2005-2452","description":"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.","status":"published","published":"2005-08-03T04:00:00Z","modified":"2024-08-07T22:30:00Z","updated_at":"2026-11-03T01:15:30.566873Z"}],"ghsa":[{"id":"GHSA-79vm-c3cm-gq5h","title":"Cisco IOS 12.0 through 12.4 and IOS XR before 3.2, with IPv6 enabled, allows remote attackers on...","description":"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.","status":"published","published":"2022-05-01T02:08:20Z","modified":"2023-01-30T05:07:50Z","updated_at":"2026-11-02T14:47:45.889583Z"}],"nvd":[{"id":"CVE-2005-2451","description":"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.","status":"published","published":"2005-08-03T04:00:00Z","modified":"2026-06-16T22:14:54.553Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:00:56.147496Z"}]}}