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…

published June 2, 2011

CVSS
—
EPSS
11%
Percentile
95.8
In the wild
Unconfirmed
What it is

⚠️ A crafty URL is all it takes! This vulnerability in Cisco AnyConnect Secure Mobility Client lets attackers slip in code without a second thought — like a courier dropping off a package without checking the sender's ID. 📦 Think of it like a pizza delivery where the restaurant doesn't verify who you are. If the delivery person just hands over the pizza without checking, anyone could claim a delicious dinner, right? If exploited, an attacker could execute arbitrary code on your system, potentially leading to unauthorized access, data breaches, or worse! This vulnerability is a window of opportunity for bad actors looking to capitalize on unverified downloads.

Put simply

Think of it like a pizza delivery where the restaurant doesn't verify who you are. If the delivery person just hands over the pizza without checking, anyone could claim a delicious dinner, right? This vulnerability allows the AnyConnect client on Linux and Mac OS X to download an executable file (vpndownloader.exe) without verifying its authenticity, which can lead to remote code execution via a malicious Java applet.

What to do

If exploited, an attacker could execute arbitrary code on your system, potentially leading to unauthorized access, data breaches, or worse! This vulnerability is a window of opportunity for bad actors looking to capitalize on unverified downloads. To safeguard your environment, ensure your AnyConnect Secure Mobility Client is updated to version 2.5.3041 or 3.0.629 and later. Regularly review and verify the sources of any downloaded files to prevent this kind of exploitation. 🛡️ You've got this! With these steps, you're on your way to locking down your security and keeping the bad guys at bay! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.10684 · 95.8th percentile
Published
2011-06-02T19:00Z
EPSS history
Timeline
  • 02 JUN 19:00Z
    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…
    cvelistv5