CVE-2011-2593
Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix...
CVE-2011-2593 is a medium vulnerability (CVSS 6.8) in Citrix Access Gateway Plug-in, published August 12, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.99%, the 90th percentile. No source names a fixed version.
- Severity
- 6.8 MediumCVSS 2.0, NVD
- Exploit chance
- 3.99%EPSS, 90th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition Plug-in for Windows 9.x before 9.3-57.5 and 10.0 before 10.0-69.4 allows remote attackers to execute arbitrary code via a crafted Content-Length HTTP header, which triggers a heap-based buffer overflow.
Exploit likelihood
Affected products
What each source reports
NVD Score used
Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition Plug-in for Windows 9.x before 9.3-57.5 and 10.0 before 10.0-69.4 allows remote attackers to execute arbitrary code via a crafted Content-Length HTTP header, which triggers a heap-based buffer overflow.
- Record
CVE-2011-2593- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE ListNo score
Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition Plug-in for Windows 9.x before 9.3-57.5 and 10.0 before 10.0-69.4 allows remote attackers to execute arbitrary code via a crafted Content-Length HTTP header, which triggers a heap-based buffer overflow.
- Record
CVE-2011-2593- Updated
- 2026-11-02
EUVDEUVD-2011-2576No score
Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition Plug-in for Windows 9.x before 9.3-57.5 and 10.0 before 10.0-69.4 allows remote attackers to execute arbitrary code via a crafted Content-Length HTTP header, which triggers a heap-based buffer overflow.
- Record
EUVD-2011-2576- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fxxh-pp9v-6qr6No score
Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix...
Integer overflow in the StartEpa method in the nsepacom ActiveX control (nsepa.exe) in Citrix Access Gateway Enterprise Edition Plug-in for Windows 9.x before 9.3-57.5 and 10.0 before 10.0-69.4 allows remote attackers to execute arbitrary code via a crafted Content-Length HTTP header, which triggers a heap-based buffer overflow.
- Record
GHSA-fxxh-pp9v-6qr6- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.