CVE-2023-21473

MEDIUM

Samsung Android - Remote Code Execution via Exynos Fastboot USB Interface

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 6.8
EPSS 0.0016
EPSS Percentile 36.4%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (3)
samsung/android 11.0 (29 CPE variants)
samsung/android 12.0 (15 CPE variants)
samsung/android 13.0 (6 CPE variants)
Published Sep 03, 2025
Tracked Since Feb 18, 2026