// For flags

CVE-2011-2882

Citrix Gateway - ActiveX Control Stack Buffer Overflow

Severity Score

9.3
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Desbordamiento de búfer basado en pila en el control ActiveX NSEPA.NsepaCtrl.1 en nsepa.ocx en Citrix Access Gateway Enterprise Edition v8.1 anterior a v8.1-67.7, v9.0 anterior a v9.0-70.5, y v9.1 anterior a v9.1-96.4 permite a atacantes remotos ejecutar código arbitrario a través de cabeceras HTTP manipuladas.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2011-07-21 CVE Reserved
  • 2011-07-21 CVE Published
  • 2011-08-31 First Exploit
  • 2024-08-06 CVE Updated
  • 2024-09-20 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Citrix
Search vendor "Citrix"
Access Gateway
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8.1
Search vendor "Citrix" for product "Access Gateway" and version "8.1"
enterprise
Affected
Citrix
Search vendor "Citrix"
Access Gateway
Search vendor "Citrix" for product "Access Gateway"
9.0
Search vendor "Citrix" for product "Access Gateway" and version "9.0"
enterprise
Affected
Citrix
Search vendor "Citrix"
Access Gateway
Search vendor "Citrix" for product "Access Gateway"
9.1
Search vendor "Citrix" for product "Access Gateway" and version "9.1"
enterprise
Affected