{"id":"CVE-2001-0951","aliases":["EUVD-2001-0934","GHSA-h4w9-fjxr-9vf9"],"status":"published","title":"Windows 2000 allows remote attackers to cause a denial of service (CPU consumption) by flooding...","description":"Windows 2000 allows remote attackers to cause a denial of service (CPU consumption) by flooding Internet Key Exchange (IKE) UDP port 500 with packets that contain a large number of dot characters.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.27404,"percentile":0.98078,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2001-12-07T05:00:00Z","modified":"2026-06-16T21:55:17Z","exploits":[{"source":"exploitdb","id":"EDB-21171","title":"Microsoft Windows Server 2000 - Internet Key Exchange Denial of Service (1)","type":"dos","platform":"windows","date":"2001-12-11","verified":true,"url":"https://www.exploit-db.com/exploits/21171"},{"source":"exploitdb","id":"EDB-21172","title":"Microsoft Windows Server 2000 - Internet Key Exchange Denial of Service (2)","type":"dos","platform":"windows","date":"2001-12-07","verified":true,"url":"https://www.exploit-db.com/exploits/21172"}],"products":[{"vendor":"microsoft","product":"windows_2000"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/7667","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=100774842520403\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=100813081913496\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/3652","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0951"},{"url":"https://github.com/advisories/GHSA-h4w9-fjxr-9vf9"}],"sources":{"cve":[{"id":"CVE-2001-0951","description":"Windows 2000 allows remote attackers to cause a denial of service (CPU consumption) by flooding Internet Key Exchange (IKE) UDP port 500 with packets that contain a large number of dot characters.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T04:37:06.953Z","updated_at":"2026-11-02T14:34:43.358691Z"}],"euvd":[{"id":"EUVD-2001-0934","description":"Windows 2000 allows remote attackers to cause a denial of service (CPU consumption) by flooding Internet Key Exchange (IKE) UDP port 500 with packets that contain a large number of dot characters.","status":"published","published":"2004-09-01T04:00:00Z","modified":"2024-08-08T04:37:06Z","updated_at":"2026-11-03T01:14:49.590185Z"}],"ghsa":[{"id":"GHSA-h4w9-fjxr-9vf9","title":"Windows 2000 allows remote attackers to cause a denial of service (CPU consumption) by flooding...","description":"Windows 2000 allows remote attackers to cause a denial of service (CPU consumption) by flooding Internet Key Exchange (IKE) UDP port 500 with packets that contain a large number of dot characters.","status":"published","published":"2022-04-30T18:17:03Z","modified":"2023-01-30T05:05:26Z","updated_at":"2026-11-02T14:47:16.342596Z"}],"nvd":[{"id":"CVE-2001-0951","description":"Windows 2000 allows remote attackers to cause a denial of service (CPU consumption) by flooding Internet Key Exchange (IKE) UDP port 500 with packets that contain a large number of dot characters.","status":"published","published":"2001-12-07T05:00:00Z","modified":"2026-06-16T21:55:17.467Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}