CVE-2025-21039 Missing authorization in S Assistant
Local attackers can modify itinerary information in Samsung S Assistant due to improper intent verification in the SystemExceptionalBroadcastReceiver.
- 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-2025-21039?
CVE-2025-21039 is a medium-severity missing authorization vulnerability in Samsung Mobile S Assistant, published on 3 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper verification of intent by SystemExceptionalBroadcastReceiver in S Assistant prior to version 9.3.2 allows local attackers to modify itinerary information.
Which versions are affected by CVE-2025-21039?
It affects 1 product.
Products include Samsung Sassistant.
How do I fix CVE-2025-21039?
No fix has been published for CVE-2025-21039 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-2025-21039 being exploited?
There is no known exploitation of CVE-2025-21039 in the wild and no public exploit code.
Other vulnerabilities in Samsung Mobile S Assistant
Sources
Also known as GHSA-x2rv-fr8p-jch7.