SB2020110531 - Code execution in Cisco AnyConnect Secure Mobility Client
Published: November 5, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2020-3556)
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a lack of authentication to the interprocess communication (IPC) channel listener. A local user can send specially crafted IPC messages to the AnyConnect client IPC listener and cause the targeted AnyConnect user to execute a script.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.