{"schemaVersion":3,"id":"CVE-2000-0673","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote attackers to cause a denial of service by sending a spoofed Name Conflict or Name Release datagram, aka the \"NetBIOS Name Server Protocol Spoofing\" vulnerability.","dates":{"published":"2000-10-13T04:00:00.000Z","modified":"2024-08-08T05:28:40.718Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.33446,"percentile":0.98368,"severity":"high","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.33446},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.33446,"percentile":0.98368}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.33446,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.33446,"percentile":0.98368}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_74AF28ED6412EFC8","name":"Exploit Reference (securityfocus.com)","source":"reference","url":"http://www.securityfocus.com/bid/1514","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"20106","name":"Microsoft Windows NT 4.0/2000 - NetBIOS Name Conflict","source":"exploit-database","url":"https://www.exploit-db.com/exploits/20106","maturity":"weaponized","reliabilityScore":0.8,"verified":true,"type":"remote","platforms":["windows"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"remote","platform":"windows","file":"exploits/windows/remote/20106.cpp","codes":["CVE-2000-0673","OSVDB-381"]},"metasploit":null}],"exploitCount":2,"weaknesses":[],"affected":[{"vendor":"microsoft","product":"windows_nt","name":"windows nt","label":"windows_nt","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"4.0","noFixRecorded":false,"fixedIn":null},{"text":"terminal_server","noFixRecorded":false,"fixedIn":null}],"versionsText":"4.0 | terminal_server","eol":null,"hubHref":"/vendor/microsoft/windows_nt"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.nai.com/research/covert/advisories/044.asp","label":"www.nai.com/research/covert/advisories/044.asp","hostname":"www.nai.com","tags":["Vendor Advisory","X Refsource NAI"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-047","label":"docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-047","hostname":"docs.microsoft.com","tags":["Vendor Advisory","X Refsource MS"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5035","label":"exchange.xforce.ibmcloud.com/vulnerabilities/5035","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF"]},{"url":"http://www.securityfocus.com/bid/1515","label":"www.securityfocus.com/bid/1515","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://www.securityfocus.com/bid/1514","label":"www.securityfocus.com/bid/1514","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Exploit","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2000-10-13T04:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-08T05:28:40.718Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":37,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T18:21:19.537Z","stale":false,"partial":false}}