---
title: "CVE-2011-2039: The helper application in Cisco AnyConnect… | CubePath"
description: "The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile…"
language: en
source: https://cubepath.com/security/cve/CVE-2011-2039
---

# CVE-2011-2039: The helper application in Cisco AnyConnect… | CubePath

## Description

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.

Official description from the CVE record, published by cisco. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2011-2039)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.69959 (70.0% probability)

Percentile

99.4%

Scores of

Nov 10, 2026

Model

v2026.06.15

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [72714](http://osvdb.org/72714)  (osvdb.org) vdb-entry
- [20110601 Multiple Vulnerabilities in Cisco AnyConnect Secure Mobility Client](http://www.cisco.com/en/US/products/products%5Fsecurity%5Fadvisory09186a0080b80123.shtml)  (cisco.com) vendor-advisory
- [8272](http://securityreason.com/securityalert/8272)  (securityreason.com) third-party-advisory
- [1025591](http://www.securitytracker.com/id?1025591)  (securitytracker.com) vdb-entry
- [VU#490097](http://www.kb.cert.org/vuls/id/490097)  (kb.cert.org) third-party-advisory
- [20110601 Cisco AnyConnect VPN Client Arbitrary Program Execution Vulnerability](http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909)  (labs.idefense.com) third-party-advisory
- [cisco-asmc-helper-code-execution(67739)](https://exchange.xforce.ibmcloud.com/vulnerabilities/67739)  (exchange.xforce.ibmcloud.com) vdb-entry

## Timeline

1. ID reserved May 10, 2011
2. Record published Jun 2, 2011
3. Record last updated Aug 6, 2024

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:02 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)