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CVE-2020-27212

STMicroelectronics STM32L4 devices through 2020-10-19 have incorrect access control. The flash read-out protection (RDP) can be degraded from RDP level 2 (no access via debug interface) to level 1 (limited access via debug interface) by injecting a fault during the boot phase.

CVSS 3.1 · 7.0 High EPSS < 1% KEV · Not listed
Vendors
St
Products
Stm32cubel4 Firmware Stm32l412c8 Stm32l412cb and 92 more
CVE-2019-14238

On STMicroelectronics STM32F7 devices, Proprietary Code Read Out Protection (PCROP) (a software IP protection method) can be defeated with a debug probe via the Instruction Tightly Coupled Memory (ITCM) bus.

CVSS 3.1 · 6.6 Medium EPSS < 1% KEV · Not listed
Vendors
St
Products
Stm32f4 Stm32f4 Firmware Stm32f7 and 9 more
CVE-2019-14236

On STMicroelectronics STM32L0, STM32L1, STM32L4, STM32F4, STM32F7, and STM32H7 devices, Proprietary Code Read Out Protection (PCROP) (a software IP protection method) can be defeated by observing CPU registers and the effect of code/instruction execution.

CVSS 3.1 · 9.8 Critical EPSS 2.3% KEV · Not listed
Vendors
St
Products
Stm32f4 Stm32f4 Firmware Stm32f7 and 9 more