CVE-2011-2040

Description

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 OS X 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 Java applet, aka Bug ID CSCsy05934.

References

Link	Tags
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml	vendor advisory
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=910	third party advisory
http://www.securitytracker.com/id?1025591	vdb entry
http://www.kb.cert.org/vuls/id/490097	third party advisory us government resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/67739	vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-2040?: CVE-2011-2040 has been scored as a critical severity vulnerability.
How to fix CVE-2011-2040?: To fix CVE-2011-2040, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2040 being actively exploited in the wild?: It is possible that CVE-2011-2040 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-20 – Improper Input Validation

References

Frequently Asked Questions