CVE-2023-21281

Published: Aug 14, 2023Modified: Jun 17, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

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.

Affected (4)

Products: Google: Android

1 product

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Google Android	Version 11.0
Google Android	Version 12.0
Google Android	Version 12.1
Google Android	Version 13.0

References (4)

https://android.googlesource.com/platform/frameworks/base/+/badb243574d7fca9aa89152d9d25eeb4f8615385

Source: security@android.com

Patch

https://source.android.com/security/bulletin/2023-08-01

Source: security@android.com

PatchVendor Advisory

https://android.googlesource.com/platform/frameworks/base/+/badb243574d7fca9aa89152d9d25eeb4f8615385

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://source.android.com/security/bulletin/2023-08-01

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.