Auth bypass in Google Android

CVE-2023-21149

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

Vulnerability class: Broken Access Control

EPSS: 0.001 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-21149?
CVE-2023-21149 is a high-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 7.8/10. Published 2023-06-28.
How severe is CVE-2023-21149?
High severity. CVSS v3 base score is 7.8 out of 10.