CVE-2023-21149

HIGH

Android - Missing Authorization in ShannonRcsService

Title source: llm
STIX 2.1

Description

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

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 partial

Details

CWE
CWE-862
Status published
Products (1)
google/android
Published Jun 28, 2023
Tracked Since Feb 18, 2026