Improper input validation in Cisco Anyconnect Secure Mobility Client
CVE-2011-2039
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.6 (High). Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.700 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.700 · newest: 0.700 · change: 0.000
Affected products
- Cisco Anyconnect Secure Mobility Client — versions 2.0, 2.1, 2.2
- Microsoft Windows
- Microsoft Windows Mobile
Weakness classification (CWE)
Public proof-of-concept exploits
References
- osvdb.org/72714 (vdb-entry)
- www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml (vendor-advisory, Vendor Advisory)
- securityreason.com/securityalert/8272 (third-party-advisory)
- www.securitytracker.com/id (vdb-entry)
- www.kb.cert.org/vuls/id/490097 (US Government Resource, third-party-advisory)
- labs.idefense.com/intelligence/vulnerabilities/display.php (third-party-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/67739 (vdb-entry)
Frequently asked questions
- What is CVE-2011-2039?
- CVE-2011-2039 is a vulnerability in Cisco Anyconnect Secure Mobility Client, classified under Improper Input Validation. Published 2011-06-02.
- Is CVE-2011-2039 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.