Every CVE Search/ Get API key

CVE-2000-0673

The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote...

5.0 MediumPublic exploit

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.

Exploit likelihood

33.4%Up 8.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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.

Record
CVE-2000-0673
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2000-0673
Updated
2026-11-02
EUVDEUVD-2000-0669 No score

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.

Record
EUVD-2000-0669
Updated
2026-11-03
GitHub AdvisoriesGHSA-459f-26mc-vgm2 No score

The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote...

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.

Record
GHSA-459f-26mc-vgm2
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMicrosoft Windows NT 4.0/2000 - NetBIOS Name Conflict2000-08-01

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2000-0673 is a medium vulnerability (CVSS 5.0) in Microsoft Windows 2000, published July 27, 2000. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 33.4%, the 98th percentile. No source names a fixed version.

References

MoveEnter Open