CVE-2011-2883

CVSS V2 High 9.3 CVSS V3 None
Description
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 attempts to validate signed DLLs by checking the certificate subject, not the signature, which allows man-in-the-middle attackers to execute arbitrary code via HTTP header data referencing a DLL that was signed with a crafted certificate.
Overview
  • CVE ID
  • CVE-2011-2883
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2011-07-21T23:55:04
  • Last Modified Date
  • 2011-07-22T04:00:00
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:citrix:access_gateway:8.1:*:enterprise:*:*:*:*:* 1 OR
cpe:2.3:a:citrix:access_gateway:9.0:*:enterprise:*:*:*:*:* 1 OR
cpe:2.3:a:citrix:access_gateway:9.1:*:enterprise:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9.3
  • Severity
  • HIGH
  • Exploitability Score
  • 8.6
  • Impact Score
  • 10
References
Reference URL Reference Tags
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=928
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2011-2883
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2883
History
Created Old Value New Value Data Type Notes
2022-05-10 10:59:53 Added to TrackCVE