Auth bypass in Google Android
CVE-2025-20730
In preloader, there is a possible escalation of privilege due to an insecure default value. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for…
Vulnerability class: Broken Authentication
EPSS: 0.001 (0.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android — versions 13.0, 14.0, 15.0
- Linuxfoundation Yocto — versions 4.0
- Mediatek Mt2737
- Mediatek Mt6739
- Mediatek Mt6761
- Mediatek Mt6765
- Mediatek Mt6768
- Mediatek Mt6781
- Mediatek Mt6789
- Mediatek Mt6833
Weakness classification (CWE)
References
- security@mediatek.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20730?
- CVE-2025-20730 is a medium-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 6.7/10. Published 2025-11-04.
- How severe is CVE-2025-20730?
- Medium severity. CVSS v3 base score is 6.7 out of 10.