{"id":"CVE-2001-0663","aliases":["EUVD-2001-0649","GHSA-9gm3-f4rm-2qfw"],"status":"published","title":"Terminal Server in Windows NT and Windows 2000 allows remote attackers to cause a denial of...","description":"Terminal Server in Windows NT and Windows 2000 allows remote attackers to cause a denial of service via a sequence of invalid Remote Desktop Protocol (RDP) packets.","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":0.31619,"percentile":0.98303,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2001-12-06T05:00:00Z","modified":"2026-06-16T21:54:42Z","exploits":[{"source":"exploitdb","id":"EDB-21123","title":"Microsoft Windows NT/2000 - Terminal Server Service RDP Denial of Service","type":"dos","platform":"windows","date":"2001-10-18","verified":true,"url":"https://www.exploit-db.com/exploits/21123"}],"products":[{"vendor":"microsoft","product":"windows_2000"},{"vendor":"microsoft","product":"windows_nt"}],"references":[{"url":"http://www.securityfocus.com/bid/3445","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/7302","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-052","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0663"},{"url":"https://github.com/advisories/GHSA-9gm3-f4rm-2qfw"}],"sources":{"cve":[{"id":"CVE-2001-0663","description":"Terminal Server in Windows NT and Windows 2000 allows remote attackers to cause a denial of service via a sequence of invalid Remote Desktop Protocol (RDP) packets.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-08T04:30:06.051Z","updated_at":"2026-11-02T14:34:43.358691Z"}],"euvd":[{"id":"EUVD-2001-0649","description":"Terminal Server in Windows NT and Windows 2000 allows remote attackers to cause a denial of service via a sequence of invalid Remote Desktop Protocol (RDP) packets.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-08T04:30:06Z","updated_at":"2026-11-03T01:14:50.641084Z"}],"ghsa":[{"id":"GHSA-9gm3-f4rm-2qfw","title":"Terminal Server in Windows NT and Windows 2000 allows remote attackers to cause a denial of...","description":"Terminal Server in Windows NT and Windows 2000 allows remote attackers to cause a denial of service via a sequence of invalid Remote Desktop Protocol (RDP) packets.","status":"published","published":"2022-04-30T18:16:29Z","modified":"2023-01-30T05:05:34Z","updated_at":"2026-11-02T14:47:18.26887Z"}],"nvd":[{"id":"CVE-2001-0663","description":"Terminal Server in Windows NT and Windows 2000 allows remote attackers to cause a denial of service via a sequence of invalid Remote Desktop Protocol (RDP) packets.","status":"published","published":"2001-12-06T05:00:00Z","modified":"2026-06-16T21:54:42.63Z","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"}]}}