{"id":"CVE-2005-3673","aliases":["EUVD-2005-3670","GHSA-6qfg-9c4g-p7cq"],"status":"published","title":"The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote...","description":"The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote attackers to cause a denial of service via certain crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the 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":0.0488,"percentile":0.9212,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-11-18T21:00:00Z","modified":"2026-06-16T22:17:23Z","products":[{"vendor":"checkpoint","product":"check_point"},{"vendor":"checkpoint","product":"express"},{"vendor":"checkpoint","product":"firewall-1"},{"vendor":"checkpoint","product":"vpn-1"},{"vendor":"checkpoint","product":"vpn-1_firewall-1_next_generation"}],"references":[{"url":"http://secunia.com/advisories/17621","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.niscc.gov.uk/niscc/docs/re-20051114-01014.pdf?lang=en","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://jvn.jp/niscc/NISCC-273756/index.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/226364","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.vupen.com/english/advisories/2005/2470","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityfocus.com/bid/15479","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secureknowledge.us.checkpoint.com/SecureKnowledge/viewSolutionDocument.do?id=sk31316","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://securitytracker.com/id?1015235","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-3673"},{"url":"http://www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp"},{"url":"https://github.com/advisories/GHSA-6qfg-9c4g-p7cq"}],"sources":{"cve":[{"id":"CVE-2005-3673","description":"The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote attackers to cause a denial of service via certain crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.","status":"published","published":"2005-11-18T21:00:00Z","modified":"2024-08-07T23:17:23.416Z","updated_at":"2026-11-02T14:33:38.550354Z"}],"euvd":[{"id":"EUVD-2005-3670","description":"The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote attackers to cause a denial of service via certain crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.","status":"published","published":"2005-11-18T21:00:00Z","modified":"2024-08-07T23:17:23Z","updated_at":"2026-11-03T01:15:25.767957Z"}],"ghsa":[{"id":"GHSA-6qfg-9c4g-p7cq","title":"The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote...","description":"The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote attackers to cause a denial of service via certain crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.","status":"published","published":"2022-05-01T02:20:03Z","modified":"2025-04-03T04:20:00Z","updated_at":"2026-11-02T15:00:43.562212Z"}],"nvd":[{"id":"CVE-2005-3673","description":"The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote attackers to cause a denial of service via certain crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.  NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.","status":"published","published":"2005-11-18T21:03:00Z","modified":"2026-06-16T22:17:23.44Z","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":"2026-11-02T14:00:57.365803Z"}]}}