Main Vulnerability Database Vulnerabilities #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

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2023-20192

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

Expressway Series
TelePresence Video Communication Server (VCS)

How to mitigate CVE-2023-20192

Install updates from vendor's website.

Expressway Series - update to 14.3.0
TelePresence Video Communication Server (VCS) - update to 14.3.0

External References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-priv-esc-Ls2B9t7b

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