CVE-2023-21473

6.8 mediumEPSS 0.2%

Medium (6.8) in samsung android. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.8 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-11-01)
CWE: CWE-20
Published: 2025-09-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

samsung:android

References

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

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