{"id":"CVE-2016-6423","aliases":["EUVD-2016-7346","GHSA-f765-58h8-hwq6"],"status":"published","title":"The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote...","description":"The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01221,"percentile":0.68908,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2016-10-05T20:00:00Z","modified":"2026-06-17T00:51:00Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.securitytracker.com/id/1036955","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/93411","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6423"},{"url":"https://github.com/advisories/GHSA-f765-58h8-hwq6"}],"sources":{"cve":[{"id":"CVE-2016-6423","description":"The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.","status":"published","published":"2016-10-05T20:00:00Z","modified":"2024-08-06T01:29:19.999Z","updated_at":"2026-11-02T14:33:34.443637Z"}],"euvd":[{"id":"EUVD-2016-7346","description":"The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.","status":"published","published":"2016-10-05T20:00:00Z","modified":"2024-08-06T01:29:19Z","updated_at":"2026-11-03T02:22:36.894057Z"}],"ghsa":[{"id":"GHSA-f765-58h8-hwq6","title":"The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote...","description":"The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.","status":"published","published":"2022-05-17T02:21:49Z","modified":"2023-01-27T05:04:20Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:42:26.227554Z"}],"nvd":[{"id":"CVE-2016-6423","description":"The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.","status":"published","published":"2016-10-05T20:59:10.12Z","modified":"2026-06-17T00:51:00.327Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":6.3,"vector":"AV:N/AC:M/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:03:31.485755Z"}]}}