#VU77084 Permissions, Privileges, and Access Controls in Expressway Series and TelePresence Video Communication Server (VCS) - CVE-2023-20192
Published: June 8, 2023
Vulnerability identifier: #VU77084
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2023-20192
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Expressway Series
TelePresence Video Communication Server (VCS)
Expressway Series
TelePresence Video Communication Server (VCS)
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect implementation of user role permissions. A local user can execute arbitrary commands beyond the sphere of their intended access level.
Remediation
Install updates from vendor's website.