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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…
Medium5.0EPSS 33.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 33.4% · top 1.6% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (5)
- 20000727 Windows NetBIOS Name Conflicts (opens in a new tab)vendor-advisoryx_refsource_NAIx_transferred
- MS00-047 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- netbios-name-server-spoofing(5035) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1515 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1514 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .