CVE-2000-0673
The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote...
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.
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
What each source reports
NVD Score used
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 Medium
AV: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.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Windows NT 4.0/2000 - NetBIOS Name Conflict | 2000-08-01 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD |