VULNERABILITY INTELLIGENCE

CVE-2020-27212

CVSS score7 HIGH
EPSS probability0.34%
CISA KEVNot currently listed
Published2021-05-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-74

Primary references