SB2020110532 - Arbitrary File Read in Cisco AnyConnect Secure Mobility Client for Windows
Published: November 5, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Exposed dangerous method or function (CVE-ID: CVE-2020-27123)
CWE-ID: CWE-749 - Exposed Dangerous Method or Function
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to read arbitrary files on the target system.
The vulnerability exists due to an exposed interprocess communication (IPC) channel function. A local user can send a specially crafted IPC message to the AnyConnect process and read arbitrary files on the underlying operating system of the affected device.
Remediation
Install update from vendor's website.