CVE-2011-2007: Microsoft Host Integration Server

Medium severity, CVSS 5.0. EPSS: 23% chance of exploitation in the next 30 days.

Microsoft Host Integration Server (HIS) 2004 SP1, 2006 SP1, 2009, and 2010 allows remote attackers to cause a denial of service (SNA Server service outage) via crafted TCP or UDP traffic, aka "Endless Loop DoS in snabase.exe Vulnerability."

Affected products

• Microsoft Host Integration Server: version 2004 only; version 2006 only; version 2009 only; version 2010 only

Published 2011-10-12. Last modified 2026-06-16.