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.
The flash memory readout protection in China Key Systems & Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface and exception handling.
The flash memory readout protection in China Key Systems & Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface by utilizing the CPU or DMA module.