What is CVE-2021-0443?

CVE-2021-0443 is a medium-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2021-04-13.

How severe is CVE-2021-0443?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2021-0443 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Google Android

CVE-2021-0443

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

Vulnerability class: Race Condition

EPSS: 0.001 (3.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 8.1, 9.0, 10.0
N/a Android — versions Android-8.1 Android-9 Android-10 Android-11

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

Public proof-of-concept exploits

nidhi7598/frameworks_

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0443?: CVE-2021-0443 is a medium-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2021-04-13.
How severe is CVE-2021-0443?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2021-0443 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.