Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2010-3901

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
14/10/2010
Last modified:
11/04/2025

Description

OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1) does not correspond to the server hostname or (2) is presented in circumstances involving a missing --cafile configuration option.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0
6.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:infradead:openconnect:*:*:*:*:*:*:*:* 2.22 (including)
cpe:2.3:a:infradead:openconnect:1.00:*:*:*:*:*:*:*
cpe:2.3:a:infradead:openconnect:1.10:*:*:*:*:*:*:*
cpe:2.3:a:infradead:openconnect:1.20:*:*:*:*:*:*:*
cpe:2.3:a:infradead:openconnect:1.30:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools