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.
CVSS Severity (version 2.0):
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
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