CVE-2020-3347 Cisco Webex Meetings Desktop App for Windows Shared Memory Information Disclosure Vulnerability

Medium 5.5 Published 18 Jun 2020 Updated 15 Nov 2024

Local authenticated attackers can read sensitive data like tokens from shared memory in Cisco Webex Meetings Desktop App.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-3347?

CVE-2020-3347 is a medium-severity vulnerability in Cisco Webex Meetings, published on 18 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in Cisco Webex Meetings Desktop App for Windows could allow an authenticated, local attacker to gain access to sensitive information on an affected system. The vulnerability is due to unsafe usage of shared memory that is used by the affected software. An attacker with permissions to view system memory could exploit this vulnerability by running an application on the local system that is designed to read shared memory. A successful exploit could allow the attacker to retrieve sensitive information from the shared memory, including usernames, meeting information, or authentication tokens that could aid the attacker in future attacks.

Weakness: CWE-200

Which versions are affected by CVE-2020-3347?

It affects 1 product.

Products include Cisco Webex Meetings.

How do I fix CVE-2020-3347?

No fix has been published for CVE-2020-3347 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3347 being exploited?

There is no known exploitation of CVE-2020-3347 in the wild and no public exploit code.

All Cisco Webex Meetings vulnerabilities

Sources

Also known as GHSA-pj73-w92m-2gfq.