CVE-2010-4566: Citrix Access Gateway

High severity, CVSS 9.3. EPSS: 27.8% chance of exploitation in the next 30 days.

The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authentication component in Access Gateway Standard and Advanced Editions before Access Gateway 5.0, allows attackers to execute arbitrary commands via shell metacharacters in the password field.

Affected products

• Citrix Access Gateway: up to and including 9.2-49.8; version .8.0 only; version 8.0 only; version 8.1-69.4 only; version 9.0.71.3 only; version 9.1-104.5 only; …

Published 2011-01-14. Last modified 2026-06-16.