SB2021021725 - Privilege escalation in Cisco AnyConnect Secure Mobility Client for Windows
Published: February 17, 2021
Security Bulletin ID
SB2021021725
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insecure DLL loading (CVE-ID: CVE-2021-1366)
CWE-ID: CWE-427 - Uncontrolled Search Path Element
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local user can send a crafted IPC message to the AnyConnect process execute arbitrary code on the affected machine with SYSTEM privileges.
Remediation
Install update from vendor's website.