Vulnerability Database

290,206

Total vulnerabilities in the database

CVE-2011-2883

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.

  • Published: Jul 22, 2011
  • Updated: Apr 13, 2023
  • CVE: CVE-2011-2883
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 9.3
  • AV:N/AC:M/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
citrix / access_gateway 8.1 8.1.x
citrix / access_gateway 9.0 9.0.x
citrix / access_gateway 9.1 9.1.x