{"cve":{"cve_id":"CVE-2000-1039","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.45833,"epss_percentile":0.98643,"epss_as_of":"2026-06-23","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.","published_at":"2000-12-19T05:00:00Z","last_modified_at":"2026-06-16T21:53:01.593000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["http://www.cert.org/advisories/CA-2000-21.html","http://razor.bindview.com/publish/advisories/adv_NAPTHA.html","http://archives.neohapsis.com/archives/win2ksecadvice/2000-q4/0105.html","http://www.securityfocus.com/bid/2022","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-091"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:02:10.847935Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"windows-95","product_name":"windows_95","version_start":null,"version_start_inclusive":null,"version_end":null,"version_end_inclusive":null,"cpe23_uri":"cpe:2.3:o:microsoft:windows_95:*:*:*:*:*:*:*:*"},{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"windows-98","product_name":"windows_98","version_start":null,"version_start_inclusive":null,"version_end":null,"version_end_inclusive":null,"cpe23_uri":"cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:*"},{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"windows-98se","product_name":"windows_98se","version_start":null,"version_start_inclusive":null,"version_end":null,"version_end_inclusive":null,"cpe23_uri":"cpe:2.3:o:microsoft:windows_98se:*:*:*:*:*:*:*:*"},{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"windows-me","product_name":"windows_me","version_start":null,"version_start_inclusive":null,"version_end":null,"version_end_inclusive":null,"cpe23_uri":"cpe:2.3:o:microsoft:windows_me:*:*:*:*:*:*:*:*"},{"vendor_slug":"microsoft","vendor_name":"Microsoft","product_slug":"windows-nt","product_name":"windows_nt","version_start":"4.0","version_start_inclusive":true,"version_end":"4.0","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.cert.org/advisories/CA-2000-21.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://razor.bindview.com/publish/advisories/adv_NAPTHA.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"http://archives.neohapsis.com/archives/win2ksecadvice/2000-q4/0105.html","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/2022","source_type":"MISC","tags":[]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-091","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2000-12-19T05:00:00Z","label":"CVE published","source":null}]}