CVE-2021-25374 Missing authorization in Samsung Members

High 8.6 Published 9 Apr 2021 Updated 3 Aug 2024

Remote attackers can access user data linked to Samsung Accounts via improper authorization in the Samsung Members app deeplink scheme.

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-2021-25374?

CVE-2021-25374 is a high-severity missing authorization vulnerability in Samsung Members, published on 9 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An improper authorization vulnerability in Samsung Members "samsungrewards" scheme for deeplink in versions 2.4.83.9 in Android O(8.1) and below, and 3.9.00.9 in Android P(9.0) and above allows remote attackers to access a user data related with Samsung Account.

Weakness: CWE-285

Which versions are affected by CVE-2021-25374?

It affects 1 product.

Products include Samsung Members.

How do I fix CVE-2021-25374?

No fix has been published for CVE-2021-25374 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-2021-25374 being exploited?

There is no known exploitation of CVE-2021-25374 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-m8xj-8969-xvhx.