{"id":"CVE-2000-0673","url":"https://www.cyber-defence.io/tools/cve/CVE-2000-0673","generatedAt":"2026-10-27T17:29:58.029Z","title":"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.","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.","published":"2000-07-27T04:00:00.000Z","lastModified":"2026-06-16T21:52:14.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["microsoft/windows 2000","microsoft/windows nt"],"epss":{"score":0.33446,"percentile":0.98366,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2000-08-01","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":20106,"kind":"exploit","title":"Microsoft Windows NT 4.0/2000 - NetBIOS Name Conflict","url":"https://www.exploit-db.com/exploits/20106","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/20106.cpp","file":"exploits/windows/remote/20106.cpp","published":"2000-08-01","added":"2000-08-01","updated":"2012-08-05","author":"Sir Dystic","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2000-0673","OSVDB-381"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/1514/info"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 33.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.nai.com/research/covert/advisories/044.asp","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/1514","tags":["Exploit","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/1515","source":"cve@mitre.org"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-047","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5035","source":"cve@mitre.org"},{"url":"http://www.nai.com/research/covert/advisories/044.asp","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/1514","tags":["Exploit","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/1515","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-047","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5035","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2000-0673","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}