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

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CVE-2011-2039

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
02/06/2011
Last modified:
11/04/2025

Description

The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904.

Impact

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

Base Score: 7.60 HIGH
Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C

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

Base Score 2.0
7.60
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:* 2.3 (including)
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2.128:*:*:*:*:*:*:*
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2.133:*:*:*:*:*:*:*
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2.136:*:*:*:*:*:*:*
cpe:2.3:a:cisco:anyconnect_secure_mobility_client:2.2.140:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_mobile:*:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools