Windows NT 4.0 and Windows 2000 before URP1 for Windows 2000 SP4 does not properly prevent NULL sessions from accessing certain alternate…

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.

Scores

EPSS (exploitation in 30 days)

19.4% · top 2.6% of all CVEs (5 Nov 2026)

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 (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)
• 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

[![CVE-2005-2150](https://trackcve.app/badge/CVE-2005-2150.svg)](https://trackcve.app/cve/CVE-2005-2150)

Record last updated 7 Aug 2024, 22:15 UTC.