Auth bypass in Google Android
CVE-2021-0547
In onReceive of NetInitiatedActivity.java, there is a possible way to supply an attacker-controlled value to a GPS HAL handler due to a missing permission check. This could lead to local escalation of privilege that may result in undefined behavior in some HAL implementations with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174151048
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-2021-0547?
- CVE-2021-0547 is a high-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 7.8/10. Published 2021-06-22.
- How severe is CVE-2021-0547?
- High severity. CVSS v3 base score is 7.8 out of 10.