CVE-2005-2150: Microsoft Windows 2000

Medium severity, CVSS 5.0. EPSS: 19.4% chance of exploitation in the next 30 days.

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.

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows Nt: version 4.0 only

Published 2005-07-11. Last modified 2026-06-16.