CVE-2023-20947 Privilege escalation in Android
A local attacker can bypass permission checks to retain one-time permissions, leading to privilege escalation on Android devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-20947?
CVE-2023-20947 is a high-severity vulnerability in Google Android, published on 24 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In getGroupState of GrantPermissionsViewModel.kt, there is a possible way to keep a one-time permission granted due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-237405974
Which versions are affected by CVE-2023-20947?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-20947?
Apply the vendor's patch.
Is CVE-2023-20947 being exploited?
There is no known exploitation of CVE-2023-20947 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-237405974, ASB-A-237405974, GHSA-859g-44xh-72pq.