CVE-2023-21473
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-03

Last updated on: 2025-09-05

Assigner: Samsung Mobile

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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-09-03
Last Modified
2025-09-05
Generated
2026-06-16
AI Q&A
2025-09-03
EPSS Evaluated
2026-06-14
NVD
CVE-2023-21473
EUVD
EUVD-2023-25641
Affected Vendors & Products
Showing 60 associated CPEs
Vendor Product Version / Range
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 11.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 12.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
samsung android 13.0
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-20 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.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is caused by improper input validation in the Exynos Fastboot USB Interface before the SMR Apr-2023 Release 1. It allows a physical attacker to execute arbitrary code in the bootloader, which is a critical part of the device's startup process.

Impact Analysis

An attacker with physical access to the device could exploit this vulnerability to run arbitrary code in the bootloader. This could lead to full compromise of the device, including unauthorized control, data theft, or persistent malware installation.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2023-21473. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart