{"id":"CVE-2012-4658","aliases":["EUVD-2012-4583","GHSA-mw4g-r9w4-rcr5"],"status":"published","title":"The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause...","description":"The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a denial of service (webauth and HTTP service outage) via vectors that trigger incorrectly terminated HTTP sessions, aka Bug ID CSCtz99447.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0127,"percentile":0.69997,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2014-04-23T10:00:00Z","modified":"2026-06-16T23:45:31Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-1SY/release_notes.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4658"},{"url":"https://github.com/advisories/GHSA-mw4g-r9w4-rcr5"}],"sources":{"cve":[{"id":"CVE-2012-4658","description":"The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a denial of service (webauth and HTTP service outage) via vectors that trigger incorrectly terminated HTTP sessions, aka Bug ID CSCtz99447.","status":"published","published":"2014-04-23T10:00:00Z","modified":"2024-08-06T20:42:55.116Z","updated_at":"2026-11-02T14:34:51.937988Z"}],"euvd":[{"id":"EUVD-2012-4583","description":"The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a denial of service (webauth and HTTP service outage) via vectors that trigger incorrectly terminated HTTP sessions, aka Bug ID CSCtz99447.","status":"published","published":"2014-04-23T10:00:00Z","modified":"2024-08-06T20:42:55Z","updated_at":"2026-11-03T01:56:06.845275Z"}],"ghsa":[{"id":"GHSA-mw4g-r9w4-rcr5","title":"The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause...","description":"The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a denial of service (webauth and HTTP service outage) via vectors that trigger incorrectly terminated HTTP sessions, aka Bug ID CSCtz99447.","status":"published","published":"2022-05-17T04:46:04Z","modified":"2023-01-28T05:02:28Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:43:47.163465Z"}],"nvd":[{"id":"CVE-2012-4658","description":"The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a denial of service (webauth and HTTP service outage) via vectors that trigger incorrectly terminated HTTP sessions, aka Bug ID CSCtz99447.","status":"published","published":"2014-04-23T11:52:59.15Z","modified":"2026-06-16T23:45:31.713Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:17.748457Z"}]}}