CVE-2023-21420: Samsung Android

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Use of Externally-Controlled Format String vulnerabilities in STST TA prior to SMR Jan-2023 Release 1 allows arbitrary code execution.

Affected products

• Samsung Android: version 10.0 only; version 11.0 only

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