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Tool Directory

CVE-2011-2882

HighPublished

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...

Published: Jul 21, 2011
Updated: Aug 6, 2024
Assigning CNA: mitre
Evidence observed: Aug 31, 2011

Primary CVSS

9.3/ 10High

nvd · CVSS 2.0

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS probability estimate

56.4%

High · next 30 days

Percentile: 99.0%
Model date: Oct 12, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

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.

Sources

Repository evidence: Files: 1 · Repositories: 1

1 Module

Citrix Gateway ActiveX Control Stack Based Buffer Overflow VulnerabilityModule
modules/exploits/windows/browser/citrix_gateway_actx.rb
Metasploit Framework modules
ExploitEvidence observed: Sep 26, 2026Revision: 2d664636002dRelated tool
Declared conditions
- platform: Windows($.exploit_windows/browser/citrix_gateway_actx.platform)
- verification: check_not_declared($.exploit_windows/browser/citrix_gateway_actx.check)

Citrix Gateway - ActiveX Control Stack Buffer Overflow (Metasploit)Exploit
Metasploit · windows · Aug 31, 2011

Responsible use

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