CVE-2021-29414: St STM32CUBEL4 Firmware

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.

Affected products

• St STM32CUBEL4 Firmware: up to and including 1.17.0

Published 2021-05-21. Last modified 2026-06-17.