CVE-2011-2039
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 70.0% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 70.0% in the next 30 days (EPSS).
- Severity: 7.6 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 70.0% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Cisco Anyconnect Secure Mobility Client ≤ 2.3
- Cisco Anyconnect Secure Mobility Client 2.0
- Cisco Anyconnect Secure Mobility Client 2.1
- Cisco Anyconnect Secure Mobility Client 2.2
- Cisco Anyconnect Secure Mobility Client 2.2.128
- Cisco Anyconnect Secure Mobility Client 2.2.133
- Cisco Anyconnect Secure Mobility Client 2.2.136
- Cisco Anyconnect Secure Mobility Client 2.2.140
Attack profile CVSS 2.0 · 7.6
- Attack vector
- Network
- Complexity
- High
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:N/AC:H/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-2039.md and follow it. Check whether this project is affected by CVE-2011-2039. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml
References
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909
- http://osvdb.org/72714
- http://securityreason.com/securityalert/8272
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml
- http://www.kb.cert.org/vuls/id/490097
- http://www.securitytracker.com/id?1025591
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67739
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909
- http://osvdb.org/72714
- http://securityreason.com/securityalert/8272
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml
- http://www.kb.cert.org/vuls/id/490097
- http://www.securitytracker.com/id?1025591
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67739