CVE-2023-21149: Google Android

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

In registerGsmaServiceIntentReceiver of ShannonRcsService.java, there is a possible way to activate/deactivate RCS service due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-270050709References: N/A

Affected products

• Google Android: affected versions not specified

Published 2023-06-28. Last modified 2026-06-17.