CVE-2023-28602 Security feature bypass in Zoom for Windows Client

Low 2.8 Published 13 Jun 2023 Updated 2 Jan 2025

Attackers can downgrade Zoom client components by bypassing cryptographic signature verification, potentially exposing users to older, vulnerable versions.

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-2023-28602?

CVE-2023-28602 is a low-severity vulnerability in Zoom Zoom, published on 13 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Zoom for Windows clients prior to 5.13.5 contain an improper verification of cryptographic signature vulnerability. A malicious user may potentially downgrade Zoom Client components to previous versions.

Weakness: CWE-347

Which versions are affected by CVE-2023-28602?

It affects 1 product.

Products include Zoom Zoom.

How do I fix CVE-2023-28602?

No fix has been published for CVE-2023-28602 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-28602 being exploited?

There is no known exploitation of CVE-2023-28602 in the wild and no public exploit code.

All Zoom Zoom vulnerabilities

Sources

Also known as GHSA-2c5r-8h52-phwr.