OS Command Injection in Expressway Series and TelePresence Video Communication Server (VCS) - CVE-2023-20209

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Main Vulnerability Database Vulnerabilities #VU79953

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: 8.6 [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]
CVE-ID: CVE-2023-20209
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

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.


Affected software

Expressway Series
TelePresence Video Communication Server (VCS)

How to mitigate CVE-2023-20209

Install updates from vendor's website.

Expressway Series - update to 14.3.1
TelePresence Video Communication Server (VCS) - update to 14.3.1

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins