CVE-2011-2040
The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-2040- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-2040- Updated
- 2026-11-02
EUVDEUVD-2011-2034 No score
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.
- Record
EUVD-2011-2034- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qh85-rfph-r6p5 No score
The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client...
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.
- Record
GHSA-qh85-rfph-r6p5- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-2040 is a high vulnerability (CVSS 9.3) in Cisco Anyconnect Secure Mobility Client, published June 2, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.7%, the 95th percentile. No source names a fixed version.
References
cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml
labs.idefense.com/intelligence/vulnerabilities/display.php?id=910
securitytracker.com/id?1025591
kb.cert.org/vuls/id/490097
exchange.xforce.ibmcloud.com/vulnerabilities/67739
nvd.nist.gov/vuln/detail/CVE-2011-2040
github.com/advisories/GHSA-qh85-rfph-r6p5