CVE-2022-28758 Zoom On-Premise Deployments: Improper Access Control

High 8.2 Published Updated

Attackers can access unauthorized meeting audio/video feeds and cause disruptions in Zoom On-Premise Meeting Connector deployments.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-28758?

CVE-2022-28758 is a high-severity missing authorization vulnerability in Zoom On-Premise Meeting Connector MMR, published on 16 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.

Weakness: CWE-284

Which versions are affected by CVE-2022-28758?

It affects 1 product.

Products include Zoom Zoom On-Premise Meeting Connector Mmr.

How do I fix CVE-2022-28758?

No fix has been published for CVE-2022-28758 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2022-28758 being exploited?

There is no known exploitation of CVE-2022-28758 in the wild and no public exploit code.

Sources

Also known as GHSA-4m4g-fwv8-47j2.

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