CVE-2011-2039 Code injection in n/a

High 7.6 Published Updated

Remote attackers can execute arbitrary code by exploiting an ActiveX control in the Cisco AnyConnect client that fails to verify downloaded executables.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2011-2039?

CVE-2011-2039 is a high-severity code injection vulnerability in Cisco Anyconnect Secure Mobility Client, published on 2 Jun 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-20

Which versions are affected by CVE-2011-2039?

It affects 1 product.

Products include Cisco Anyconnect Secure Mobility Client.

How do I fix CVE-2011-2039?

No fix has been published for CVE-2011-2039 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2011-2039 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-2039 exists.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

All Cisco Anyconnect Secure Mobility Client vulnerabilities

Sources

Also known as GHSA-vjg9-jfmj-x6jf.

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