CVE-2011-2039

Cisco AnyConnect Secure Mobility Client <2.3.185 - RCE

Title source: llm

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.

Exploits (2)

exploitdb WORKING POC VERIFIED

by Metasploit · rubyremotewindows

https://www.exploit-db.com/exploits/17366

View Code ZIP pw:eip

metasploit WORKING POC EXCELLENT

by bannedit · rubypocwin

https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/cisco_anyconnect_exec.rb

View Code ZIP pw:eip

References (7)

[Vendor Advisory] http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml

[US Government Resource] http://www.kb.cert.org/vuls/id/490097

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/67739

[Third Party Advisory, VDB Entry] http://osvdb.org/72714

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id?1025591

[Third Party Advisory] http://securityreason.com/securityalert/8272

[Third Party Advisory] http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909

Scores

EPSS 0.8412

EPSS Percentile 99.3%

Details

CWE

CWE-20

Status published

Products (8)

cisco/anyconnect_secure_mobility_client 2.0

cisco/anyconnect_secure_mobility_client 2.1

cisco/anyconnect_secure_mobility_client 2.2

cisco/anyconnect_secure_mobility_client 2.2.128

cisco/anyconnect_secure_mobility_client 2.2.133

cisco/anyconnect_secure_mobility_client 2.2.136

cisco/anyconnect_secure_mobility_client 2.2.140

cisco/anyconnect_secure_mobility_client < 2.3

Published Jun 02, 2011

Tracked Since Feb 18, 2026