kbrain

CVE-2011-2040

HIGH · CVSS 9.3EPSS 10.7%EU EUVD

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.

Key facts

CVSS score
9.3 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-20
EPSS score
10.7% (96th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-2034)
Published
June 2, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-2034 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • apple / mac os x
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • cisco / anyconnect secure mobility client
  • linux / linux kernel

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain