{"id":"CVE-2012-3079","aliases":["EUVD-2012-3057","GHSA-vv6f-5rwc-v9p3"],"status":"published","title":"Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by...","description":"Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by establishing many IPv6 neighbors, aka Bug ID CSCtn78957.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01895,"percentile":0.79757,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2012-09-16T10:00:00Z","modified":"2026-06-16T23:42:34Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/caveats_SXI_rebuilds.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/78921","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3079"},{"url":"https://github.com/advisories/GHSA-vv6f-5rwc-v9p3"}],"sources":{"cve":[{"id":"CVE-2012-3079","description":"Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by establishing many IPv6 neighbors, aka Bug ID CSCtn78957.","status":"published","published":"2012-09-16T10:00:00Z","modified":"2024-08-06T19:50:05.375Z","updated_at":"2026-11-02T14:34:50.94153Z"}],"euvd":[{"id":"EUVD-2012-3057","description":"Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by establishing many IPv6 neighbors, aka Bug ID CSCtn78957.","status":"published","published":"2012-09-16T10:00:00Z","modified":"2024-08-06T19:50:05Z","updated_at":"2026-11-03T01:56:12.278388Z"}],"ghsa":[{"id":"GHSA-vv6f-5rwc-v9p3","title":"Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by...","description":"Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by establishing many IPv6 neighbors, aka Bug ID CSCtn78957.","status":"published","published":"2022-05-17T01:44:55Z","modified":"2023-02-03T05:05:04Z","updated_at":"2026-11-02T14:53:40.557809Z"}],"nvd":[{"id":"CVE-2012-3079","description":"Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by establishing many IPv6 neighbors, aka Bug ID CSCtn78957.","status":"published","published":"2012-09-16T10:34:50.55Z","modified":"2026-06-16T23:42:34.86Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:15.643902Z"}]}}