CVE-2025-20911 Missing authorization in Samsung Mobile Devices
Privileged local attackers can modify the MAC address of Samsung Galaxy Watch devices due to improper access control in the sem_wifi service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-20911?
CVE-2025-20911 is a medium-severity missing authorization vulnerability in Samsung Mobile Devices, published on 6 Mar 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 sem_wifi service prior to SMR Mar-2025 Release 1 allows privileged local attackers to update MAC address of Galaxy Watch.
Which versions are affected by CVE-2025-20911?
It affects 1 product.
Products include Samsung Wear Os.
How do I fix CVE-2025-20911?
No fix has been published for CVE-2025-20911 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-2025-20911 being exploited?
There is no known exploitation of CVE-2025-20911 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-2025-21004 Missing authorization in Samsung Mobile Devices
- CVE-2025-20910 Missing authorization in Samsung Mobile Devices
Sources
Also known as GHSA-cm69-vmxj-g523.