9.3
CVE-2011-2883
- EPSS 0.37%
- Published 21.07.2011 23:55:04
- Last modified 11.04.2025 00:51:21
- Source cve@mitre.org
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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.
Data is provided by the National Vulnerability Database (NVD)
Citrix ≫ Access Gateway Version8.1 Editionenterprise
Citrix ≫ Access Gateway Version9.0 Editionenterprise
Citrix ≫ Access Gateway Version9.1 Editionenterprise
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.37% | 0.581 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 9.3 | 8.6 | 10 |
AV:N/AC:M/Au:N/C:C/I:C/A:C
|
CWE-20 Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.