Auth bypass in Google Android
CVE-2023-21140
In onCreate of ManagePermissionsActivity.java, there is a possible way to bypass factory reset protections due to a missing permission check. This could lead to local escalation of privilege with physical access to a device that's been factory reset with no additional 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 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.9% 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 Android — versions 12, 12L, 12.0
Weakness classification (CWE)
References
- android.googlesource.com/platform/packages/modules/Permission/+/0679e4f35055729… (Patch)
- source.android.com/security/bulletin/2023-08-01 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21140?
- CVE-2023-21140 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 6.8/10. Published 2023-08-14.
- How severe is CVE-2023-21140?
- Medium severity. CVSS v3 base score is 6.8 out of 10.