CVE-2011-2039

no score yetEPSS 70%

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.

EPSS: 70% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2011-06-02
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

cisco:anyconnect_secure_mobility_client

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909
http://osvdb.org/72714
http://securityreason.com/securityalert/8272
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml
http://www.kb.cert.org/vuls/id/490097

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