Vulnerability Monitor

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CVE-2011-2040


The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.5.3041, and 3.0.x before 3.0.629, on Linux and Mac OS X 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 Java applet, aka Bug ID CSCsy05934.


Security Impact Summary

CVE-2011-2040 is a security vulnerability that . Impacting 3 products from cisco, from apple, from linux organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.


Published

2011-06-02T19:55:04.420

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 9.3 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-20

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco anyconnect_secure_mobility_client ≤ 2.5.2019 Yes
Application cisco anyconnect_secure_mobility_client 2.0 Yes
Application cisco anyconnect_secure_mobility_client 2.1 Yes
Application cisco anyconnect_secure_mobility_client 2.2 Yes
Application cisco anyconnect_secure_mobility_client 2.2.128 Yes
Application cisco anyconnect_secure_mobility_client 2.2.133 Yes
Application cisco anyconnect_secure_mobility_client 2.2.136 Yes
Application cisco anyconnect_secure_mobility_client 2.2.140 Yes
Application cisco anyconnect_secure_mobility_client 2.3 Yes
Application cisco anyconnect_secure_mobility_client 2.3.185 Yes
Application cisco anyconnect_secure_mobility_client 2.3.254 Yes
Application cisco anyconnect_secure_mobility_client 2.3.2016 Yes
Application cisco anyconnect_secure_mobility_client 2.4 Yes
Application cisco anyconnect_secure_mobility_client 2.4.0202 Yes
Application cisco anyconnect_secure_mobility_client 2.4.1012 Yes
Application cisco anyconnect_secure_mobility_client 2.5 Yes
Application cisco anyconnect_secure_mobility_client 2.5.1025 Yes
Application cisco anyconnect_secure_mobility_client 2.5.2001 Yes
Application cisco anyconnect_secure_mobility_client 2.5.2006 Yes
Application cisco anyconnect_secure_mobility_client 2.5.2010 Yes
Application cisco anyconnect_secure_mobility_client 2.5.2011 Yes
Application cisco anyconnect_secure_mobility_client 2.5.2014 Yes
Application cisco anyconnect_secure_mobility_client 2.5.2017 Yes
Application cisco anyconnect_secure_mobility_client 2.5.2018 Yes
Application cisco anyconnect_secure_mobility_client 3.0 Yes
Operating System apple mac_os_x * No
Operating System linux linux_kernel * No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.