CVE-2011-2593

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-08-12 · updated 2026-06-16
Weakness: CWE-189

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.

Affected products

Citrix Access Gateway Plug-In: through 9.3; 10.0

References

http://secunia.com/advisories/45299
http://secunia.com/secunia_research/2012-26
http://support.citrix.com/article/CTX134303
https://exchange.xforce.ibmcloud.com/vulnerabilities/77317
http://secunia.com/advisories/45299
http://secunia.com/secunia_research/2012-26
http://support.citrix.com/article/CTX134303
https://exchange.xforce.ibmcloud.com/vulnerabilities/77317

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