Rewterz Threat Advisory – Multiple Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-20814 CVSS:7.4

Cisco Expressway Series and Cisco TelePresence Video Communication Server are vulnerable to a man-in-the-middle attack, caused by improper certificate validation. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to obtain sensitive information or alter the contents of the traffic.

CVE-2022-20853 CVSS:7.4

Cisco Expressway Series and Cisco TelePresence Video Communication Server are vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated user to visit a malicious Web site, a remote authenticated attacker could send a malformed HTTP request to perform unauthorized actions. An attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.

Impact

Unauthorized Access

Indicators Of Compromise

CVE

• CVE-2022-20814
• CVE-2022-20853

Affected Vendors

Cisco

Affected Products

• Cisco Expressway Series 14
• Cisco TelePresence 14.0

Remediation

Refer to Cisco Security Advisory for patch, upgrade or suggested workaround information.

Cisco Security Advisory