{"cve":"CVE-2000-1039","nvd":{"published":"2001-01-09T05:00:00.000","modified":"2026-06-16T21:53:01.593","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://archives.neohapsis.com/archives/win2ksecadvice/2000-q4/0105.html","http://razor.bindview.com/publish/advisories/adv_NAPTHA.html","http://www.cert.org/advisories/CA-2000-21.html","http://www.securityfocus.com/bid/2022","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-091"],"products":["microsoft:windows_95","microsoft:windows_98","microsoft:windows_98se","microsoft:windows_me","microsoft:windows_nt"],"source":"nvd","synced_at":"2026-10-19T19:33:02.361923049+00:00"},"epss":{"cve":"CVE-2000-1039","score":0.45833,"percentile":0.98803,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}