CVE-2025-21011 Information disclosure in Samsung Mobile Devices

Medium 5.5 Published Updated

Local attackers can access sensitive motion and body sensor data due to improper access control in the SemSensorService on Samsung Galaxy Watches.

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-2025-21011?

CVE-2025-21011 is a medium-severity vulnerability in Samsung Mobile Devices, published on 6 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper access control in SemSensorService for Galaxy Watch prior to SMR Aug-2025 Release 1 allows local attackers to access sensitive information related to motion and body sensors.

Which versions are affected by CVE-2025-21011?

How do I fix CVE-2025-21011?

No fix has been published for CVE-2025-21011 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-21011 being exploited?

There is no known exploitation of CVE-2025-21011 in the wild and no public exploit code.

Sources

Also known as GHSA-655q-frxm-5gg3.

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