CVE-2011-2592: Citrix Access Gateway Plug-In

High severity, CVSS 9.3. EPSS: 14.9% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition Plug-in for Windows 9.x before 9.3-57.5 and 10.0 before 10.0-69.4 allows remote attackers to execute arbitrary code via a long CSEC HTTP response header.

Affected products

• Citrix Access Gateway Plug-In: version 9.0 only; version 9.1 only; version 9.2 only; version 9.3 only; version 10.0 only

Published 2014-06-18. Last modified 2026-06-16.