CVE-2021-0333 Security feature bypass in Android
Attackers can bypass Bluetooth phonebook permission dialogs via tapjacking overlays, leading to local 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
- A user has to click or open something
- Fix
- Available
What is CVE-2021-0333?
CVE-2021-0333 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 onCreate of BluetoothPermissionActivity.java, there is a possible permissions bypass due to a tapjacking overlay that obscures the phonebook permissions dialog when a Bluetooth device is connecting. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-168504491
Weakness: CWE-1021
Which versions are affected by CVE-2021-0333?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0333?
Apply the vendor's patch.
Is CVE-2021-0333 being exploited?
There is no known exploitation of CVE-2021-0333 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-168504491, ASB-A-168504491, GHSA-mc8g-ggcr-f8mw.