High 9.3Published Jun 2, 2011

CVE-2011-2040The 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…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 9.3 HIGH (v2.0, NVD)AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

cisco anyconnect_secure_mobility_client cisco:anyconnect_secure_mobility_client	through 2.5.2019; 2.0; 2.1; 2.2; 2.2.128; 2.2.133; 2.2.136; 2.2.140; and 17 more ranges	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.