CVE-2025-20966 Missing authorization in Samsung Gallery

Medium 4.6 Published 7 May 2025 Updated 7 May 2025

Physical attackers can access data across multiple user profiles in Samsung Gallery due to improper access control.

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

What is CVE-2025-20966?

CVE-2025-20966 is a medium-severity missing authorization vulnerability in Samsung Gallery, published on 7 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper access control in Samsung Gallery prior to version 14.5.10.3 in Global Android 13, 14.5.09.3 in China Android 13, and 15.5.04.5 in Android 14 allows physical attackers to access data across multiple user profiles.

Which versions are affected by CVE-2025-20966?

It affects 1 product.

Products include Samsung Gallery.

How do I fix CVE-2025-20966?

No fix has been published for CVE-2025-20966 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-2025-20966 being exploited?

There is no known exploitation of CVE-2025-20966 in the wild and no public exploit code.

Sources

Also known as GHSA-f3f4-3g45-5gh4.