{"id":"CVE-2000-1039","aliases":["EUVD-2000-1026","GHSA-272q-6m92-rrfr"],"status":"published","title":"Various TCP/IP stacks and network applications allow remote attackers to cause a denial of...","description":"Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connection attempts and completing the TCP/IP handshake without maintaining the connection state on the attacker host, aka the \"NAPTHA\" class of vulnerabilities.  NOTE: this candidate may change significantly as the security community discusses the technical nature of NAPTHA and learns more about the affected applications. This candidate is at a higher level of abstraction than is typical for CVE.","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":0.45833,"percentile":0.9881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2000-12-19T05:00:00Z","modified":"2026-06-16T21:53:01Z","products":[{"vendor":"microsoft","product":"windows_95"},{"vendor":"microsoft","product":"windows_98"},{"vendor":"microsoft","product":"windows_98se"},{"vendor":"microsoft","product":"windows_me"},{"vendor":"microsoft","product":"windows_nt"}],"references":[{"url":"http://www.cert.org/advisories/CA-2000-21.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","Patch","Third Party Advisory","US Government Resource"]},{"url":"http://razor.bindview.com/publish/advisories/adv_NAPTHA.html","tags":["vendor-advisory","x_refsource_BINDVIEW","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/win2ksecadvice/2000-q4/0105.html","tags":["mailing-list","x_refsource_WIN2KSEC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/2022","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-091","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2000-1039"},{"url":"https://github.com/advisories/GHSA-272q-6m92-rrfr"}],"sources":{"cve":[{"id":"CVE-2000-1039","description":"Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connection attempts and completing the TCP/IP handshake without maintaining the connection state on the attacker host, aka the \"NAPTHA\" class of vulnerabilities.  NOTE: this candidate may change significantly as the security community discusses the technical nature of NAPTHA and learns more about the affected applications. This candidate is at a higher level of abstraction than is typical for CVE.","status":"published","published":"2000-12-19T05:00:00Z","modified":"2024-08-08T05:37:32.202Z","updated_at":"2026-11-02T14:33:40.909668Z"}],"euvd":[{"id":"EUVD-2000-1026","description":"Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connection attempts and completing the TCP/IP handshake without maintaining the connection state on the attacker host, aka the \"NAPTHA\" class of vulnerabilities.  NOTE: this candidate may change significantly as the security community discusses the technical nature of NAPTHA and learns more about the affected applications. This candidate is at a higher level of abstraction than is typical for CVE.","status":"published","published":"2000-12-19T05:00:00Z","modified":"2024-08-08T05:37:32Z","updated_at":"2026-11-03T00:56:22.927724Z"}],"ghsa":[{"id":"GHSA-272q-6m92-rrfr","title":"Various TCP/IP stacks and network applications allow remote attackers to cause a denial of...","description":"Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connection attempts and completing the TCP/IP handshake without maintaining the connection state on the attacker host, aka the \"NAPTHA\" class of vulnerabilities.  NOTE: this candidate may change significantly as the security community discusses the technical nature of NAPTHA and learns more about the affected applications. This candidate is at a higher level of abstraction than is typical for CVE.","status":"published","published":"2022-04-30T18:14:47Z","modified":"2023-01-30T05:04:45Z","updated_at":"2026-11-02T14:47:07.288055Z"}],"nvd":[{"id":"CVE-2000-1039","description":"Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connection attempts and completing the TCP/IP handshake without maintaining the connection state on the attacker host, aka the \"NAPTHA\" class of vulnerabilities.  NOTE: this candidate may change significantly as the security community discusses the technical nature of NAPTHA and learns more about the affected applications. This candidate is at a higher level of abstraction than is typical for CVE.","status":"published","published":"2001-01-09T05:00:00Z","modified":"2026-06-16T21:53:01.593Z","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":"2026-11-02T14:00:39.593487Z"}]}}