CVE-2023-21235

HIGH

Android - Local Privilege Escalation via LockSettingsActivity PIN Bypass

Title source: llm
STIX 2.1

Description

In onCreate of LockSettingsActivity.java, there is a possible way set a new lockscreen PIN without entering the existing PIN due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

References (1)

Core 1

Scores

CVSS v3 7.8
EPSS 0.0009
EPSS Percentile 0.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

Status published
Products (2)
google/android 11.0
google/android 13.0
Published Aug 14, 2023
Tracked Since Feb 18, 2026