CVE-2023-21447 Missing authorization in Samsung Cloud

Medium 4.0 Published 9 Feb 2023 Updated 24 Mar 2025

Local attackers can access sensitive information via implicit intents due to improper access control in Samsung Cloud.

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-2023-21447?

CVE-2023-21447 is a medium-severity missing authorization vulnerability in Samsung Cloud, published on 9 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper access control vulnerabilities in Samsung Cloud prior to version 5.3.0.32 allows local attackers to access information with Samsung Cloud's privilege via implicit intent.

Weakness: CWE-668, CWE-284

Which versions are affected by CVE-2023-21447?

It affects 1 product.

Products include Samsung Cloud.

How do I fix CVE-2023-21447?

No fix has been published for CVE-2023-21447 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-2023-21447 being exploited?

There is no known exploitation of CVE-2023-21447 in the wild and no public exploit code.

Sources

Also known as GHSA-4cgf-47r3-59wr.