CVE-2023-21473

Published: Sep 3, 2025Modified: Sep 5, 2025

6.8

Vector

CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

Exploitability: 0.2 / Impact: 6.0

Source: mobile.security@samsung.com (Secondary)

Description

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.

Affected (60)

Products: Samsung: Android

Samsung

1 product

Android

Configuration A

60 vulnerable

Vulnerable Software	Affected Versions
Samsung Android	Version 11.0
Samsung Android	Version 11.0 smr-apr-2021-r1
Samsung Android	Version 11.0 smr-apr-2022-r1
Samsung Android	Version 11.0 smr-aug-2021-r1
Samsung Android	Version 11.0 smr-aug-2022-r1
Samsung Android	Version 11.0 smr-dec-2020-r1
Samsung Android	Version 11.0 smr-dec-2021-r1
Samsung Android	Version 11.0 smr-dec-2022-r1
Samsung Android	Version 11.0 smr-feb-2021-r1
Samsung Android	Version 11.0 smr-feb-2022-r1
Samsung Android	Version 11.0 smr-feb-2023-r1
Samsung Android	Version 11.0 smr-jan-2021-r1
Samsung Android	Version 11.0 smr-jan-2022-r1
Samsung Android	Version 11.0 smr-jan-2023-r1
Samsung Android	Version 11.0 smr-jul-2021-r1
Samsung Android	Version 11.0 smr-jul-2022-r1
Samsung Android	Version 11.0 smr-jun-2021-r1
Samsung Android	Version 11.0 smr-jun-2022-r1
Samsung Android	Version 11.0 smr-mar-2021-r1
Samsung Android	Version 11.0 smr-mar-2022-r1
Samsung Android	Version 11.0 smr-mar-2023-r1
Samsung Android	Version 11.0 smr-may-2021-r1
Samsung Android	Version 11.0 smr-may-2022-r1
Samsung Android	Version 11.0 smr-nov-2021-r1
Samsung Android	Version 11.0 smr-nov-2022-r1
Samsung Android	Version 11.0 smr-oct-2021-r1
Samsung Android	Version 11.0 smr-oct-2022-r1
Samsung Android	Version 11.0 smr-sep-2021-r1
Samsung Android	Version 11.0 smr-sep-2022-r1
Samsung Android	Version 12.0
Samsung Android	Version 12.0 smr-apr-2022-r1
Samsung Android	Version 12.0 smr-aug-2022-r1
Samsung Android	Version 12.0 smr-dec-2022-r1
Samsung Android	Version 12.0 smr-feb-2022-r1
Samsung Android	Version 12.0 smr-feb-2023-r1
Samsung Android	Version 12.0 smr-jan-2023-r1
Samsung Android	Version 12.0 smr-jul-2022-r1
Samsung Android	Version 12.0 smr-jun-2022-r1
Samsung Android	Version 12.0 smr-mar-2022-r1
Samsung Android	Version 12.0 smr-mar-2023-r1
Samsung Android	Version 12.0 smr-may-2022-r1
Samsung Android	Version 12.0 smr-nov-2022-r1
Samsung Android	Version 12.0 smr-oct-2022-r1
Samsung Android	Version 12.0 smr-sep-2022-r1
Samsung Android	Version 13.0
Samsung Android	Version 13.0 smr-apr-2022-r1
Samsung Android	Version 13.0 smr-aug-2022-r1
Samsung Android	Version 13.0 smr-dec-2022-r1
Samsung Android	Version 13.0 smr-feb-2022-r1
Samsung Android	Version 13.0 smr-feb-2023-r1
Samsung Android	Version 13.0 smr-jan-2022-r1
Samsung Android	Version 13.0 smr-jan-2023-r1
Samsung Android	Version 13.0 smr-jul-2022-r1
Samsung Android	Version 13.0 smr-jun-2022-r1
Samsung Android	Version 13.0 smr-mar-2022-r1
Samsung Android	Version 13.0 smr-mar-2023-r1
Samsung Android	Version 13.0 smr-may-2022-r1
Samsung Android	Version 13.0 smr-nov-2022-r1
Samsung Android	Version 13.0 smr-oct-2022-r1
Samsung Android	Version 13.0 smr-sep-2022-r1

Related CWEs

CWE-20

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (1)

https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=04

Source: mobile.security@samsung.com

Vendor Advisory

Timeline

No history available yet.