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CVE-2023-21472 Details
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.
A vulnerability exists in the Exynos Fastboot USB interface on select Android 11, 12, and 13 devices, prior to the April 2023 Security Maintenance Release. This vulnerability allows a physical attacker to execute arbitrary code in the bootloader due to improper input validation. The issue was privately disclosed and is part of the Samsung Vulnerabilities and Exposures (SVE) program.
Users can apply the April 2023 Security Maintenance Release, which includes the necessary patch for this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 3, 2025Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=04 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| samsung android | 11.0 - 11.0 smr-apr-2021-r1 11.0 smr-apr-2022-r1 11.0 smr-aug-2021-r1 11.0 smr-aug-2022-r1 11.0 smr-dec-2020-r1 11.0 smr-dec-2021-r1 11.0 smr-dec-2022-r1 11.0 smr-feb-2021-r1 11.0 smr-feb-2022-r1 11.0 smr-feb-2023-r1 11.0 smr-jan-2021-r1 11.0 smr-jan-2022-r1 11.0 smr-jan-2023-r1 11.0 smr-jul-2021-r1 11.0 smr-jul-2022-r1 11.0 smr-jun-2021-r1 11.0 smr-jun-2022-r1 11.0 smr-mar-2021-r1 11.0 smr-mar-2022-r1 11.0 smr-mar-2023-r1 11.0 smr-may-2021-r1 11.0 smr-may-2022-r1 11.0 smr-nov-2021-r1 11.0 smr-nov-2022-r1 11.0 smr-oct-2021-r1 11.0 smr-oct-2022-r1 11.0 smr-sep-2021-r1 11.0 smr-sep-2022-r1 12.0 - 12.0 smr-apr-2022-r1 12.0 smr-aug-2022-r1 12.0 smr-dec-2022-r1 12.0 smr-feb-2022-r1 12.0 smr-feb-2023-r1 12.0 smr-jan-2023-r1 12.0 smr-jul-2022-r1 12.0 smr-jun-2022-r1 12.0 smr-mar-2022-r1 12.0 smr-mar-2023-r1 12.0 smr-may-2022-r1 12.0 smr-nov-2022-r1 12.0 smr-oct-2022-r1 12.0 smr-sep-2022-r1 13.0 - 13.0 smr-apr-2022-r1 13.0 smr-aug-2022-r1 13.0 smr-dec-2022-r1 13.0 smr-feb-2022-r1 13.0 smr-feb-2023-r1 13.0 smr-jan-2022-r1 13.0 smr-jan-2023-r1 13.0 smr-jul-2022-r1 13.0 smr-jun-2022-r1 13.0 smr-mar-2022-r1 13.0 smr-mar-2023-r1 13.0 smr-may-2022-r1 13.0 smr-nov-2022-r1 13.0 smr-oct-2022-r1 13.0 smr-sep-2022-r1 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Sep 5, 2025 | Initial Analysis | [email protected] |
| Sep 3, 2025 | CVE Modified | CISA-ADP |
| Sep 3, 2025 | New CVE Received | [email protected] |