CVE-2023-21245: Google Android

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

In showNextSecurityScreenOrFinish of KeyguardSecurityContainerController.java, there is a possible way to access the lock screen during device setup due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

• Google Android: version 11.0 only; version 12.0 only; version 13.0 only; version 13.1 only

Published 2023-07-13. Last modified 2026-06-17.