CVE-2011-2592
Heap-based buffer 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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
Heap-based buffer 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 long CSEC HTTP response header.
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 14.86% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- citrix/access gateway plug-in
- Source
- PSIRT-CNA@flexerasoftware.com
EPSS 14.9% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://archives.neohapsis.com/archives/bugtraq/2012-08/0009.html
- http://osvdb.org/show/osvdb/84433
- http://secunia.com/secunia_research/2012-27
- http://support.citrix.com/article/CTX134303Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/77316
- http://archives.neohapsis.com/archives/bugtraq/2012-08/0009.html
- http://osvdb.org/show/osvdb/84433
- http://secunia.com/secunia_research/2012-27
- http://support.citrix.com/article/CTX134303Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/77316
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.