CVE-2023-21428: Samsung Android

Low severity, CVSS 3.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper input validation vulnerability in TelephonyUI prior to SMR Jan-2023 Release 1 allows attackers to configure Preferred Call. The patch removes unused code.

Affected products

• Samsung Android: version 11.0 only; version 12.0 only; version 13.0 only

Published 2023-02-09. Last modified 2026-06-17.