CVE-2022-20853 Cisco Expressway Series and Cisco TelePresence VCS Cross-Site Request Forgery Vulnerability

High 7.4 Published 15 Nov 2024 Updated 15 Nov 2024

An unauthenticated attacker can force a system reload via CSRF by tricking a user into clicking a crafted link.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2022-20853?

CVE-2022-20853 is a high-severity vulnerability in Cisco TelePresence Video Communication Server (VCS) Expressway, published on 15 Nov 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability in the REST API of Cisco Expressway Series and Cisco TelePresence VCS could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected system. An attacker could exploit this vulnerability by persuading a user of the REST API to follow a crafted link. A successful exploit could allow the attacker to cause the affected system to reload. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. 

Weakness: CWE-352

Which versions are affected by CVE-2022-20853?

It affects 1 product.

Products include Cisco Telepresence Video Communication Server.

How do I fix CVE-2022-20853?

No fix has been published for CVE-2022-20853 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-20853 being exploited?

There is no known exploitation of CVE-2022-20853 in the wild and no public exploit code.

Sources

Also known as GHSA-pg6h-m56f-q74p.