CVE-2008-3466: Microsoft Host Integration Server 2000

High severity, CVSS 10.0. EPSS: 77.7% chance of exploitation in the next 30 days.

Microsoft Host Integration Server (HIS) 2000, 2004, and 2006 does not limit RPC access to administrative functions, which allows remote attackers to bypass authentication and execute arbitrary programs via a crafted SNA RPC message using opcode 1 or 6 to call the CreateProcess function, aka "HIS Command Execution Vulnerability."

Affected products

• Microsoft Host Integration Server 2000: any version
• Microsoft Host Integration Server 2004: any version
• Microsoft Host Integration Server 2006: any version

Published 2008-10-15. Last modified 2026-06-16.