CVE-2021-0443 Race condition in Android

What is CVE-2021-0443?

CVE-2021-0443 is a medium-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 ScreenshotHelper.java and related files, there is a possible incorrectly saved screenshot due to a race condition. This could lead to local information disclosure across user profiles with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-170474245

Weakness: CWE-362

Which versions are affected by CVE-2021-0443?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0443?

Apply the vendor's patch.

Is CVE-2021-0443 being exploited?

There is no known exploitation of CVE-2021-0443 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as A-170474245, ASB-A-170474245, GHSA-cxf4-8jfc-m247.