OS Command Injection in Cisco Expressway and TelePresence Video Communication Server (VCS) - CVE-2022-20755
Published: March 2, 2022
Vulnerability identifier: #VU60967
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-20755
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco Expressway
TelePresence Video Communication Server (VCS)
Cisco Expressway
TelePresence Video Communication Server (VCS)
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to insufficient input validation of user-supplied command arguments. A remote authenticated user can execute arbitrary commands with root privileges.
Remediation
Install updates from vendor's website.