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TI-2011-02535 Aliases CVE-2011-2882GHSA-cwj2-353m-w5fv

Stack-based buffer overflow in the NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in…

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Stack-based buffer overflow in 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 allows remote attackers to execute arbitrary code via crafted HTTP header data.

Why it matters now

EPSS 0.56368 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:citrix:access_gateway:8.1:*:enterprise:*:*:*:*:*8.1VulnerableCitrix
cpe:2.3:a:citrix:access_gateway:9.0:*:enterprise:*:*:*:*:*9.0VulnerableCitrix
cpe:2.3:a:citrix:access_gateway:9.1:*:enterprise:*:*:*:*:*9.1VulnerableCitrix
  • cpe:2.3:a:citrix:access_gateway:8.1:*:enterprise:*:*:*:*:* Versions 8.1 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:access_gateway:9.0:*:enterprise:*:*:*:*:* Versions 9.0 Vulnerable ·Citrix
  • cpe:2.3:a:citrix:access_gateway:9.1:*:enterprise:*:*:*:*:* Versions 9.1 Vulnerable ·Citrix

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-2882
  2. 2026-10-03 Alias added: GHSA-cwj2-353m-w5fv

References

Advisory 2

  • TI-2010-04292 The web authentication form in the NT4 authentication component in Citrix Access Gateway… CVSS 2.0HIGH 9.3
  • TI-2008-02420 Unspecified vulnerability in Citrix Access Gateway Standard Edition 4.5.7 and earlier and… CVSS 2.0HIGH 10.0
  • TI-2007-03886 Multiple unspecified vulnerabilities in (1) Net6Helper.DLL (aka Net6Launcher Class) 4.5.2… CVSS 2.0HIGH 9.3
  • TI-2011-02536 The NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise… CVSS 2.0HIGH 9.3
  • TI-2007-03889 Cross-site request forgery (CSRF) vulnerability in the web-based administration console… CVSS 2.0HIGH 7.6
  • TI-2007-03888 Unspecified vulnerability in the client components in Citrix Access Gateway Standard… CVSS 2.0MEDIUM 6.8
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences