CVE-2020-13466: St STM32F103 Firmware

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

STMicroelectronics STM32F103 devices through 2020-05-20 allow physical attackers to execute arbitrary code via a power glitch and a specific flash patch/breakpoint unit configuration.

Affected products

• St STM32F103 Firmware: up to and including 2020-05-20

Published 2020-08-31. Last modified 2026-06-17.