Auth bypass in Google Android
CVE-2021-0694
In setServiceForegroundInnerLocked of ActiveServices.java, there is a possible way for a background application to regain foreground permissions due to insufficient background restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-183147114
Vulnerability class: Broken Access Control
EPSS: 0.001 (1.4th percentile) — read the EPSS interpretation.
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.
Affected products
- Google Android — versions 11.0
- N/a Android — versions Android-11
Weakness classification (CWE)
References
- security@android.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-0694?
- CVE-2021-0694 is a high-severity vulnerability in Google Android, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2022-04-12.
- How severe is CVE-2021-0694?
- High severity. CVSS v3 base score is 7.8 out of 10.