CVE-2023-21131: Google Android

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

In checkKeyIntentParceledCorrectly() of ActivityManagerService.java, there is a possible bypass of Parcel Mismatch mitigations due to a logic error in the code. This could lead to local escalation of privilege and the ability to launch arbitrary activities in settings with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-265015796

Affected products

  • Google Android: version 11.0 only; version 12.0 only; version 12.1 only; version 13.0 only

Published 2023-06-15. Last modified 2026-06-17.