{"id":"CVE-2005-4570","aliases":["EUVD-2005-4565","GHSA-j7p2-mjw4-64cc"],"status":"published","title":"The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3...","description":"The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3.0, FortiClient 2.0,; and FortiManager 2.80 and 3.0 allow remote attackers to cause a denial of service (termination of a process that is automatically restarted) via IKE packets with invalid values of certain IPSec attributes, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the vendor advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.","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":0.01845,"percentile":0.79181,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-12-29T11:00:00Z","modified":"2026-06-16T22:19:01Z","references":[{"url":"http://www.fortinet.com/FortiGuardCenter/VU226364.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/15997","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/18446","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2006/0182","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-4570"},{"url":"https://github.com/advisories/GHSA-j7p2-mjw4-64cc"}],"sources":{"cve":[{"id":"CVE-2005-4570","description":"The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3.0, FortiClient 2.0,; and FortiManager 2.80 and 3.0 allow remote attackers to cause a denial of service (termination of a process that is automatically restarted) via IKE packets with invalid values of certain IPSec attributes, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the vendor advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.","status":"published","published":"2005-12-29T11:00:00Z","modified":"2024-08-07T23:53:27.1Z","updated_at":"2026-11-02T14:33:39.259087Z"}],"euvd":[{"id":"EUVD-2005-4565","description":"The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3.0, FortiClient 2.0,; and FortiManager 2.80 and 3.0 allow remote attackers to cause a denial of service (termination of a process that is automatically restarted) via IKE packets with invalid values of certain IPSec attributes, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the vendor advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.","status":"published","published":"2005-12-29T11:00:00Z","modified":"2024-08-07T23:53:27Z","updated_at":"2026-11-03T01:15:21.871307Z"}],"ghsa":[{"id":"GHSA-j7p2-mjw4-64cc","title":"The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3...","description":"The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3.0, FortiClient 2.0,; and FortiManager 2.80 and 3.0 allow remote attackers to cause a denial of service (termination of a process that is automatically restarted) via IKE packets with invalid values of certain IPSec attributes, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the vendor advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.","status":"published","published":"2022-05-01T02:28:37Z","modified":"2023-01-30T05:08:25Z","updated_at":"2026-11-02T14:47:49.655134Z"}],"nvd":[{"id":"CVE-2005-4570","description":"The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3.0, FortiClient 2.0,; and FortiManager 2.80 and 3.0 allow remote attackers to cause a denial of service (termination of a process that is automatically restarted) via IKE packets with invalid values of certain IPSec attributes, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the vendor advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.","status":"published","published":"2005-12-29T11:03:00Z","modified":"2026-06-16T22:19:01.83Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:58.826417Z"}]}}