Auth bypass in Google Android

CVE-2021-25389

Improper running task check in S Secure prior to SMR MAY-2021 Release 1 allows attackers to use locked app without authentication.

Vulnerability class: Broken Authentication

EPSS: 0.001 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.3 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.

Affected products

Google Android — versions 9.0
Samsung Mobile Devices — versions P(9.0)

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

mobile.security@samsung.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-25389?: CVE-2021-25389 is a low-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 2.3/10. Published 2021-06-11.
How severe is CVE-2021-25389?: Low severity. CVSS v3 base score is 2.3 out of 10.