CVE-2005-1985: Microsoft Windows 2000

High severity, CVSS 7.5. EPSS: 37.3% chance of exploitation in the next 30 days.

The Client Service for NetWare (CSNW) on Microsoft Windows 2000 SP4, XP SP1 and Sp2, and Server 2003 SP1 and earlier, allows remote attackers to execute arbitrary code due to an "unchecked buffer" when processing certain crafted network messages.

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: version r2 only; version sp1 only
• Microsoft Windows XP: any version

Published 2005-10-13. Last modified 2026-06-16.