{"id":"CVE-2012-3950","aliases":["EUVD-2012-3894","GHSA-3xcj-9jh4-h55x"],"status":"published","title":"The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15...","description":"The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01548,"percentile":0.75211,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2012-09-27T00:00:00Z","modified":"2026-06-16T23:44:06Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ios-ips","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/55695","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/78882","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/50777","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securitytracker.com/id?1027580","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3950"},{"url":"https://github.com/advisories/GHSA-3xcj-9jh4-h55x"}],"sources":{"cve":[{"id":"CVE-2012-3950","description":"The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.","status":"published","published":"2012-09-27T00:00:00Z","modified":"2024-08-06T20:21:04.114Z","updated_at":"2026-11-02T14:34:50.615647Z"}],"euvd":[{"id":"EUVD-2012-3894","description":"The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.","status":"published","published":"2012-09-27T00:00:00Z","modified":"2024-08-06T20:21:04Z","updated_at":"2026-11-03T01:56:09.412323Z"}],"ghsa":[{"id":"GHSA-3xcj-9jh4-h55x","title":"The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15...","description":"The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.","status":"published","published":"2022-05-17T01:42:52Z","modified":"2023-02-03T05:05:18Z","updated_at":"2026-11-02T14:53:42.900002Z"}],"nvd":[{"id":"CVE-2012-3950","description":"The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.","status":"published","published":"2012-09-27T00:55:00.857Z","modified":"2026-06-16T23:44:06.8Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:16.115119Z"}]}}