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CVE-2011-2039

HIGH · CVSS 7.6EPSS 70.0%EU EUVD

The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, 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 certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904.

Key facts

CVSS score
7.6 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-20
EPSS score
70.0% (99th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-2033)
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-2011-2033 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • 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
  • microsoft / windows
  • microsoft / windows mobile

References

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

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