{"id":"CVE-2016-6381","aliases":["EUVD-2016-7304","GHSA-7v3x-w835-5wrm"],"status":"published","title":"Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers...","description":"Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03213,"percentile":0.88275,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2016-10-05T17:00:00Z","modified":"2026-06-17T00:50:56Z","products":[{"vendor":"cisco","product":"ios"},{"vendor":"cisco","product":"ios_xe"},{"vendor":"cisco","product":"ios_xe_16.1"},{"vendor":"cisco","product":"ios_xe_3.3sg"},{"vendor":"cisco","product":"ios_xe_3.3xo"},{"vendor":"cisco","product":"ios_xe_3.4sg"}],"references":[{"url":"http://www.securitytracker.com/id/1036914","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ios-ikev1","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/93195","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6381"},{"url":"https://github.com/advisories/GHSA-7v3x-w835-5wrm"}],"sources":{"cve":[{"id":"CVE-2016-6381","description":"Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.","status":"published","published":"2016-10-05T17:00:00Z","modified":"2024-08-06T01:29:19.546Z","updated_at":"2026-11-02T14:33:34.815789Z"}],"euvd":[{"id":"EUVD-2016-7304","description":"Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.","status":"published","published":"2016-10-05T17:00:00Z","modified":"2024-08-06T01:29:19Z","updated_at":"2026-11-03T02:22:36.894057Z"}],"ghsa":[{"id":"GHSA-7v3x-w835-5wrm","title":"Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers...","description":"Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.","status":"published","published":"2022-05-13T01:15:19Z","modified":"2023-02-01T05:04:32Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:50:09.90532Z"}],"nvd":[{"id":"CVE-2016-6381","description":"Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.","status":"published","published":"2016-10-05T17:59:00.18Z","modified":"2026-06-17T00:50:56.287Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"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":"2026-11-02T14:03:31.485755Z"}]}}