What’s Vulnerable › Vulnerabilities

CVE-2000-0673

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 33.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2000-07-27 · updated 2026-06-16

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.

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows Nt: 4.0, terminal_server

References

• http://www.nai.com/research/covert/advisories/044.asp
• http://www.securityfocus.com/bid/1514
• 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
• 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

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