Improper Certificate Validation in Expressway Series and TelePresence Video Communication Server (VCS) - CVE-2022-20814
Published: October 6, 2022
Vulnerability identifier: #VU67967
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-20814
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit 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 attacker to compromise the target system.
The vulnerability exists due to a lack of validation of the SSL server certificate. A remote attacker can perform a man-in-the-middle (MitM) attack and view the intercepted traffic in clear text or alter the contents of the traffic.
How to mitigate CVE-2022-20814
Install updates from vendor's website.