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CVE-2011-2883

N/A
Published: July 21, 2011 at 11:00 PM UTC
Updated: June 16, 2026 at 11:32 PM UTC
1 product affected across 1 vendorAccess Gateway

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Severity
N/A
Exploit prediction
EPSS 2%

Description

The NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise Edition 8.1 before 8.1-67.7, 9.0 before 9.0-70.5, and 9.1 before 9.1-96.4 attempts to validate signed DLLs by checking the certificate subject, not the signature, which allows man-in-the-middle attackers to execute arbitrary code via HTTP header data referencing a DLL that was signed with a crafted certificate.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisoryx_refsource_IDEFENSE
Source: [email protected]
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=928

CVSS

9.3HIGH[email protected]
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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