OS Command Injection in Expressway Series and TelePresence Video Communication Server (VCS) - CVE-2023-20209
Published: August 24, 2023 / Updated: October 7, 2023
Vulnerability identifier: #VU79953
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2023-20209
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Cisco Systems, Inc
Affected software:
Expressway Series
TelePresence Video Communication Server (VCS)
Expressway Series
TelePresence Video Communication Server (VCS)
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the web-based management interface. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2023-20209
Install updates from vendor's website.