CVE-2020-0401 Missing authorization in Android
A missing permission check in Android's PackageManagerService allows local attackers to escalate privileges and grant spurious permissions without user interaction.
- 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-2020-0401?
CVE-2020-0401 is a high-severity missing authorization vulnerability in Google Android, published on 17 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In setInstallerPackageName of PackageManagerService.java, there is a missing permission check. This could lead to local escalation of privilege and granting spurious permissions with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10 Android-11Android ID: A-150857253
Weakness: CWE-862
Which versions are affected by CVE-2020-0401?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2020-0401?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-0401 being exploited?
There is no known exploitation of CVE-2020-0401 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as A-150857253, ASB-A-150857253, GHSA-q34r-wxv2-gwvr.