CVE-2023-21444 Weak cryptography in Samsung Flow for PC

High 7.5 Published 9 Feb 2023 Updated 24 Mar 2025

Adjacent attackers can decrypt messages or inject commands due to improper cryptographic implementation in Samsung Flow for PC.

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-2023-21444?

CVE-2023-21444 is a high-severity vulnerability in Samsung Flow for PC, 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 cryptographic implementation in Samsung Flow for PC 4.9.14.0 allows adjacent attackers to decrypt encrypted messages or inject commands.

Weakness: CWE-326

Which versions are affected by CVE-2023-21444?

It affects 1 product.

Products include Samsung Flow.

How do I fix CVE-2023-21444?

No fix has been published for CVE-2023-21444 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-21444 being exploited?

There is no known exploitation of CVE-2023-21444 in the wild and no public exploit code.

Sources

Also known as GHSA-58pp-mqmq-89c9.