{"id":"CVE-2011-2578","aliases":["EUVD-2011-2561","GHSA-38xx-mw72-x795"],"status":"published","title":"Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service ...","description":"Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.","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":0.0269,"percentile":0.85978,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2012-05-02T10:00:00Z","modified":"2026-06-16T23:31:35Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/75338","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securitytracker.com/id?1027005","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151-4MCAVS.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2578"},{"url":"https://github.com/advisories/GHSA-38xx-mw72-x795"}],"sources":{"cve":[{"id":"CVE-2011-2578","description":"Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.","status":"published","published":"2012-05-02T10:00:00Z","modified":"2024-08-06T23:08:23.112Z","updated_at":"2026-11-02T14:35:36.603688Z"}],"euvd":[{"id":"EUVD-2011-2561","description":"Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.","status":"published","published":"2012-05-02T10:00:00Z","modified":"2024-08-06T23:08:23Z","updated_at":"2026-11-03T01:39:55.11051Z"}],"ghsa":[{"id":"GHSA-38xx-mw72-x795","title":"Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service ...","description":"Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.","status":"published","published":"2022-05-17T00:15:52Z","modified":"2023-02-03T05:01:19Z","updated_at":"2026-11-02T14:52:57.108682Z"}],"nvd":[{"id":"CVE-2011-2578","description":"Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.","status":"published","published":"2012-05-02T10:09:21.097Z","modified":"2026-06-16T23:31:35.63Z","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":"2026-11-02T14:02:12.272092Z"}]}}