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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.001 (0.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
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
- source.android.com/security/bulletin/2023-08-01 (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.