What is CVE-2023-21471?

CVE-2023-21471 is a medium-severity vulnerability in Samsung Android, classified under Improper Authentication. CVSS score: 4.0/10. Published 2025-09-03.

How severe is CVE-2023-21471?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Auth bypass in Samsung Android

CVE-2023-21471

Improper access control vulnerability in SemClipboard prior to SMR Apr-2023 Release 1 allows attackers to read arbitrary files with system permission.

Vulnerability class: Broken Authentication

EPSS: 0.001 (2.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Samsung Android — versions 12.0, 13.0
Samsung Mobile Devices — versions SMR Apr-2023 Release in Android 12, 13

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21471?: CVE-2023-21471 is a medium-severity vulnerability in Samsung Android, classified under Improper Authentication. CVSS score: 4.0/10. Published 2025-09-03.
How severe is CVE-2023-21471?: Medium severity. CVSS v3 base score is 4.0 out of 10.