Improper input validation in Cisco Anyconnect Secure Mobility Client

CVE-2011-2039

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.700 (99.3th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2011-2039?
CVE-2011-2039 is a vulnerability in Cisco Anyconnect Secure Mobility Client, classified under Improper Input Validation. Published 2011-06-02.
Is CVE-2011-2039 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.