{"id":"CVE-2012-4618","aliases":["EUVD-2012-4543","GHSA-4c8h-h3m6-vv44"],"status":"published","title":"The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2...","description":"The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.","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":0.02721,"percentile":0.86131,"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":"2026-06-16T23:45:30Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-nat","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1027579","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/55693","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4618"},{"url":"https://github.com/advisories/GHSA-4c8h-h3m6-vv44"}],"sources":{"cve":[{"id":"CVE-2012-4618","description":"The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.","status":"published","published":"2012-09-27T00:00:00Z","modified":"2024-08-06T20:42:55.095Z","updated_at":"2026-11-02T14:34:51.584538Z"}],"euvd":[{"id":"EUVD-2012-4543","description":"The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.","status":"published","published":"2012-09-27T00:00:00Z","modified":"2024-08-06T20:42:55Z","updated_at":"2026-11-03T01:56:06.845275Z"}],"ghsa":[{"id":"GHSA-4c8h-h3m6-vv44","title":"The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2...","description":"The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.","status":"published","published":"2022-05-17T05:12:01Z","modified":"2023-01-28T05:03:26Z","updated_at":"2026-11-02T14:43:58.944932Z"}],"nvd":[{"id":"CVE-2012-4618","description":"The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.","status":"published","published":"2012-09-27T00:55:00.937Z","modified":"2026-06-16T23:45:30.523Z","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":"2026-11-02T14:02:16.115119Z"}]}}