cve/2020/CVE-2020-27212.md

CVE-2020-27212

Description

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.

POC

Reference

• https://eprint.iacr.org/2021/640
• https://eprint.iacr.org/2021/640
• https://www.aisec.fraunhofer.de/en/FirmwareProtection.html
• https://www.aisec.fraunhofer.de/en/FirmwareProtection.html

Github

No PoCs found on GitHub currently.