CVE-2021-25439 Missing authorization in Samsung Members

Low 3.3 Published 8 Jul 2021 Updated 3 Aug 2024

Untrusted applications can force arbitrary webpage loading in the Samsung Members app webview, potentially leading to code execution or security bypass.

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-2021-25439?

CVE-2021-25439 is a low-severity missing authorization vulnerability in Samsung Members, published on 8 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper access control vulnerability in Samsung Members prior to versions 2.4.85.11 in Android O(8.1) and below, and 3.9.10.11 in Android P(9.0) and above allows untrusted applications to cause arbitrary webpage loading in webview.

Weakness: CWE-284

Which versions are affected by CVE-2021-25439?

It affects 1 product.

Products include Samsung Members.

How do I fix CVE-2021-25439?

No fix has been published for CVE-2021-25439 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-2021-25439 being exploited?

There is no known exploitation of CVE-2021-25439 in the wild and no public exploit code.

Sources

Also known as GHSA-4m9p-wh47-w846.