What is CVE-2023-21095?

CVE-2023-21095 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 2023-06-15.

How severe is CVE-2023-21095?

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

Vulnerability in Google Android

CVE-2023-21095

In canStartSystemGesture of RecentsAnimationDeviceState.java, there is a possible partial lockscreen bypass due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12L Android-13Android ID: A-242704576

Vulnerability class: Race Condition

EPSS: 0.001 (0.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Google Android — versions 12.1, 13.0
N/a Android — versions Android-12L Android-13

Weakness classification (CWE)

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

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21095?: CVE-2023-21095 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 2023-06-15.
How severe is CVE-2023-21095?: Medium severity. CVSS v3 base score is 4.7 out of 10.