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CVE-2023-21480 Details
Description
Improper input validation vulnerability in CertByte prior to SMR Apr-2023 Release 1 allows local attackers to launch privileged activities.
A vulnerability exists in Samsung Mobile devices running select Android 11, 12, and 13 versions prior to the April 2023 Security Maintenance Release. This vulnerability stems from improper input validation in the CertByte component, which allows local attackers to initiate privileged activities. The issue has been addressed in the April 2023 Security Maintenance Release.
Users can apply the April 2023 Security Maintenance Release to address this vulnerability. This update is part of the regular monthly security update process and includes patches from both Google and Samsung.
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: Partial
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 |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
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-2021-r1 12.0 smr-dec-2022-r1 12.0 smr-feb-2022-r1 12.0 smr-feb-2023-r1 12.0 smr-jan-2022-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-2021-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-2021-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-2021-r1 13.0 smr-nov-2022-r1 13.0 smr-oct-2022-r1 13.0 smr-sep-2022-r1 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Sep 19, 2025 | Initial Analysis | [email protected] |
| Sep 3, 2025 | New CVE Received | [email protected] |