What is CVE-2021-1004?

CVE-2021-1004 is a high-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 7.8/10. Published 2021-12-15.

How severe is CVE-2021-1004?

High severity. CVSS v3 base score is 7.8 out of 10.

Auth bypass in Google Android

CVE-2021-1004

In getConfiguredNetworks of WifiServiceImpl.java, there is a possible way to determine whether an app is installed, without query permissions, 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-12Android ID: A-197749180

Vulnerability class: Broken Access Control

EPSS: 0.001 (1.2th 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 12.0
N/a Android — versions Android-12

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@android.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1004?: CVE-2021-1004 is a high-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 7.8/10. Published 2021-12-15.
How severe is CVE-2021-1004?: High severity. CVSS v3 base score is 7.8 out of 10.