Auth bypass in Google Android
CVE-2023-20912
In onActivityResult of AvatarPickerActivity.java, there is a possible way to access images belonging to other users 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-13Android ID: A-246301995
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 (1.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.9% 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 13.0
- Android — versions Android-13
Weakness classification (CWE)
References
- source.android.com/security/bulletin/2023-01-01 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20912?
- CVE-2023-20912 is a high-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 7.8/10. Published 2023-01-26.
- How severe is CVE-2023-20912?
- High severity. CVSS v3 base score is 7.8 out of 10.