CVE-2020-3194 Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulnerability

High 7.8 Published Updated

Attacker executes arbitrary code by tricking users into opening malicious Webex recording files in the desktop player.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-3194?

CVE-2020-3194 is a high-severity code injection vulnerability in Cisco Webex Meetings, published on 15 Apr 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerability exists due to insufficient validation of certain elements with a Webex recording stored in either the Advanced Recording Format (ARF) or the Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.

Weakness: CWE-20, CWE-119

Which versions are affected by CVE-2020-3194?

It affects 4 products.

Products include Cisco Webex Meetings, Cisco Webex Meetings Online, Cisco Webex Meetings Server, Cisco Webex Network Recording Player.

How do I fix CVE-2020-3194?

No fix has been published for CVE-2020-3194 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2020-3194 being exploited?

There is no known exploitation of CVE-2020-3194 in the wild and no public exploit code.

All Cisco Webex Meetings vulnerabilities

Sources

Also known as GHSA-46rf-9j25-mr47.

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