What is CVE-2023-21270?

CVE-2023-21270 is a high-severity vulnerability in Google Andrioid, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2024-11-19.

How severe is CVE-2023-21270?

High severity. CVSS v3 base score is 7.8 out of 10.

Auth bypass in Google Andrioid

CVE-2023-21270

In restorePermissionState of PermissionManagerServiceImpl.java, there is a possible way for an app to keep permissions that should be revoked due to incorrect permission flags cleared during an update. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Broken Access Control

EPSS: 0.001 (0.3th 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

Google Andrioid — versions sc-dev, sc-v2-dev, tm-dev
Google Android — versions 12.0, 12.1, 13.0

Weakness classification (CWE)

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21270?: CVE-2023-21270 is a high-severity vulnerability in Google Andrioid, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2024-11-19.
How severe is CVE-2023-21270?: High severity. CVSS v3 base score is 7.8 out of 10.