CVE-2025-21004 Missing authorization in Samsung Mobile Devices
Local attackers can power off Samsung Galaxy Watch devices due to improper intent verification in the System UI broadcast receiver.
- 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-2025-21004?
CVE-2025-21004 is a medium-severity missing authorization vulnerability in Samsung Mobile Devices, published on 8 Jul 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 broadcast receiver in System UI for Galaxy Watch prior to SMR Jul-2025 Release 1 allows local attackers to power off the device.
Weakness: CWE-347
Which versions are affected by CVE-2025-21004?
It affects 1 product.
Products include Samsung Wear Os.
How do I fix CVE-2025-21004?
No fix has been published for CVE-2025-21004 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-2025-21004 being exploited?
There is no known exploitation of CVE-2025-21004 in the wild and no public exploit code.
Other vulnerabilities in Samsung Mobile Devices
- CVE-2025-20946 Security feature bypass in Samsung Mobile Devices
- CVE-2025-20984 Missing authorization in Samsung Mobile Devices
- CVE-2025-20997 Misconfiguration in Samsung Mobile Devices
- CVE-2025-20910 Missing authorization in Samsung Mobile Devices
- CVE-2025-20912 Information disclosure in Samsung Mobile Devices
Sources
Also known as GHSA-8xj4-3gr5-xw39.