What is CVE-2021-0303?

CVE-2021-0303 is a high-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2021-01-11.

How severe is CVE-2021-0303?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2021-0303 known to be exploited?

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

Use After Free in Google Android

CVE-2021-0303

In dispatchGraphTerminationMessage() of packages/services/Car/computepipe/runner/graph/StreamSetObserver.cpp, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-11; Android ID: A-170407229.

Vulnerability class: Race Condition

EPSS: 0.001 (2.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 11.0
N/a Android — versions Android-11

Weakness classification (CWE)

Public proof-of-concept exploits

TinyNiko/android_

References

security@android.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-0303?: CVE-2021-0303 is a high-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2021-01-11.
How severe is CVE-2021-0303?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2021-0303 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.