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CVE-2005-2150
Windows NT 4.0 and Windows 2000 before URP1 for Windows 2000 SP4 does not properly prevent NULL sessions from accessing certain alternate…
- 5.0MediumCVSS base score
- 19.4%Exploitation in 30 daysEPSS · top 2.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Windows NT 4.0 and Windows 2000 before URP1 for Windows 2000 SP4 does not properly prevent NULL sessions from accessing certain alternate named pipes, which allows remote attackers to (1) list Windows services via svcctl or (2) read eventlogs via eventlog.
Timeline
ID reserved
By mitre
- 5 days later
· 5 days later
Published
- 19 years later
· 19 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 19.4% · top 2.6% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
8
- http://www.hsc.fr/ressources/presentations/null_sessions/ (opens in a new tab)x_refsource_MISCx_transferred
- 20050707 NULL sessions vulnerabilities using alternate named pipes (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 1014417 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 14177 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- win-name-pipe-null-information-disclosure(21286) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 14178 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- win-pipe-null-eventlog-information-disclosure(21288) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 14189 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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)
- EUVD EUVD-2005-2151 (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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2005-2150)Record last updated .