In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
CVE-2023-21281 - High Severity Vulnerability
Android framework classes and services
Library home page: https://android.googlesource.com/platform/frameworks/base
Found in HEAD commit: f63c00c11df9fe4c62ee2ed7d5f72e3a7ebec027
Found in base branch: master
In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
Publish Date: 2023-08-14
URL: CVE-2023-21281
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://android.googlesource.com/platform/frameworks/base/+/badb243574d7fca9aa89152d9d25eeb4f8615385
Release Date: 2023-08-14
Fix Resolution: android-13.0.0_r67
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