Auth bypass in Google Android
CVE-2023-21256
In SettingsHomepageActivity.java, there is a possible way to launch arbitrary activities via Settings due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is 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:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (1.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.1% 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, 13.0
Weakness classification (CWE)
References
- android.googlesource.com/platform/packages/apps/Settings/+/62fc1d269f5e754fc8f0… (Patch)
- source.android.com/security/bulletin/2023-07-01 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-21256?
- CVE-2023-21256 is a high-severity vulnerability in Google Android, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2023-07-13.
- How severe is CVE-2023-21256?
- High severity. CVSS v3 base score is 7.8 out of 10.