CVE-2021-25373 Missing authorization in Customization Service
Local attackers can hijack unsafe PendingIntents in Samsung Customization Service to perform unauthorized actions without permission.
- 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-2021-25373?
CVE-2021-25373 is a medium-severity missing authorization vulnerability in Samsung Mobile Customization Service, published on 9 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Using unsafe PendingIntent in Customization Service prior to version 2.2.02.1 in Android O(8.x), 2.4.03.0 in Android P(9.0), 2.7.02.1 in Android Q(10.0) and 2.9.01.1 in Android R(11.0) allows local attackers to perform unauthorized action without permission via hijacking the PendingIntent.
Weakness: CWE-285
Which versions are affected by CVE-2021-25373?
It affects 1 product.
Products include Samsung Customization Service.
How do I fix CVE-2021-25373?
No fix has been published for CVE-2021-25373 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-2021-25373 being exploited?
There is no known exploitation of CVE-2021-25373 in the wild and no public exploit code.
Sources
Also known as GHSA-8v94-2432-xc77.