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CVE-2000-0673
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: Jul 27, 2000
Modified: Apr 16, 2026
CVSS Metrics
Affected Products (3)
| Vendor | Product | Version |
|---|---|---|
| microsoft | windows_2000 | * |
| microsoft | windows_nt | 4.0 |
| microsoft | windows_nt | terminal_server |
GitHub Security Advisory GHSA-459f-26mc-vgm2
The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote...
References (10)
- http://www.nai.com/research/covert/advisories/044.asp
- http://www.securityfocus.com/bid/1514 Exploit, Patch, Vendor Advisory
- http://www.securityfocus.com/bid/1515
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-047
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5035
- http://www.nai.com/research/covert/advisories/044.asp
- http://www.securityfocus.com/bid/1514 Exploit, Patch, Vendor Advisory
- http://www.securityfocus.com/bid/1515
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-047
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5035
Risk Scores
CVSS Score
5.0 / 10
EPSS Score
20.25%
Top 4% most likely to be exploited
Threat Score
26.1 / 100
Data Sources
NVD
EPSS
GitHub