CVE-2000-0673 json
The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote attackers to cause a denial of service by send…
published 2000-07-27 26 y ago modified 2026-06-16 4 mo ago also EUVD-2000-0669
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 33.4%
- EPSS 33.4% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- securityfocus.com/bid/1514 advisory
Timeline
- Published
- First public exploit (EDB-20106)
Exploit prediction
33.45% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-20106 Microsoft Windows NT 4.0/2000 - NetBIOS Name Conflict remote, 2000-08-01
- securityfocus.com http://www.securityfocus.com/bid/1514 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
securityfocus.com
/bid/1514
vdb-entry, exploit, patch, vendor-advisory
-
nai.com
/research/covert/advisories/044.asp
vendor-advisory
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2000/ms00-047
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/5035
vdb-entry
-
securityfocus.com
/bid/1515
vdb-entry
Sources
- CVE List CVE-2000-0673
- NVD CVE-2000-0673
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