What is CVE-2023-21472?

CVE-2023-21472 is a medium-severity vulnerability in Samsung Android, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2025-09-03.

How severe is CVE-2023-21472?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Improper input validation in Samsung Android

CVE-2023-21472

Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (11.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H.

Affected products

Samsung Android — versions 11.0, 12.0, 13.0
Samsung Mobile Devices — versions SMR Apr-2023 Release in Selected Android 11, 12, 13 Exynos devices

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21472?: CVE-2023-21472 is a medium-severity vulnerability in Samsung Android, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2025-09-03.
How severe is CVE-2023-21472?: Medium severity. CVSS v3 base score is 6.8 out of 10.