CVE-2021-0438 Security feature bypass in Android
Attackers can perform tapjacking to escalate privileges locally on Android devices by exploiting incorrect obscured flag handling.
- 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-2021-0438?
CVE-2021-0438 is a high-severity vulnerability in Google Android, published on 13 Apr 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 several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there is a possible tapjacking attack due to an incorrect FLAG_OBSCURED value. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-152064592
Weakness: CWE-1021
Which versions are affected by CVE-2021-0438?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0438?
Apply the vendor's patch.
Is CVE-2021-0438 being exploited?
There is no known exploitation of CVE-2021-0438 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-152064592, ASB-A-152064592, GHSA-v7xr-3g3r-j8gg.