CVE-2006-2380: Microsoft Windows 2000

Medium severity, CVSS 4.3. EPSS: 17.8% chance of exploitation in the next 30 days.

Microsoft Windows 2000 SP4 does not properly validate an RPC server during mutual authentication over SSL, which allows remote attackers to spoof an RPC server, aka the "RPC Mutual Authentication Vulnerability."

Affected products

• Microsoft Windows 2000: any version

Published 2006-06-13. Last modified 2026-06-16.