CVE-2021-0339 Privilege escalation in Android
A local attacker can maintain a malicious app overlay to escalate privileges on Android devices, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-0339?
CVE-2021-0339 is a high-severity vulnerability in Google Android, published on 10 Feb 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In loadAnimation of WindowContainer.java, there is a possible way to keep displaying a malicious app while a target app is brought to the foreground. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-8.1 Android-9Android ID: A-145728687
Weakness: CWE-754
Which versions are affected by CVE-2021-0339?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0339?
Apply the vendor's patch.
Is CVE-2021-0339 being exploited?
There is no known exploitation of CVE-2021-0339 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as A-145728687, ASB-A-145728687, GHSA-c6h8-w7qx-qj83.