CVE-2020-27212

Published: May 21, 2021Modified: Nov 21, 2024

7.0

Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.0 / Impact: 5.9

Source: NVD

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.

Affected (1)

Products: St: Stm32cubel4 Firmware

1 product

Stm32cubel4 Firmware

Configuration A

1 vulnerable · 94 platform

Vulnerable Software	Affected Versions
St Stm32cubel4 Firmware	Up to 1.16.0

Running on/with	Platform Versions
St Stm32l412c8	All versions
St Stm32l412cb	All versions
St Stm32l412k8	All versions
St Stm32l412kb	All versions
St Stm32l412r8	All versions
St Stm32l412rb	All versions
St Stm32l412t8	All versions
St Stm32l412tb	All versions
St Stm32l422cb	All versions
St Stm32l422kb	All versions
St Stm32l422rb	All versions
St Stm32l422tb	All versions
St Stm32l431cb	All versions
St Stm32l431cc	All versions
St Stm32l431kb	All versions
St Stm32l431kc	All versions
St Stm32l431rb	All versions
St Stm32l431rc	All versions
St Stm32l431vc	All versions
St Stm32l432kb	All versions
St Stm32l432kc	All versions
St Stm32l433cb	All versions
St Stm32l433cc	All versions
St Stm32l433rb	All versions
St Stm32l433rc	All versions
St Stm32l433vc	All versions
St Stm32l442kc	All versions
St Stm32l443cc	All versions
St Stm32l443rc	All versions
St Stm32l443vc	All versions
St Stm32l451cc	All versions
St Stm32l451ce	All versions
St Stm32l451rc	All versions
St Stm32l451re	All versions
St Stm32l451vc	All versions
St Stm32l451ve	All versions
St Stm32l452cc	All versions
St Stm32l452ce	All versions
St Stm32l452rc	All versions
St Stm32l452re	All versions
St Stm32l452vc	All versions
St Stm32l452ve	All versions
St Stm32l462ce	All versions
St Stm32l462re	All versions
St Stm32l462ve	All versions
St Stm32l471qe	All versions
St Stm32l471qg	All versions
St Stm32l471re	All versions
St Stm32l471rg	All versions
St Stm32l471ve	All versions
St Stm32l471vg	All versions
St Stm32l471ze	All versions
St Stm32l471zg	All versions
St Stm32l475rc	All versions
St Stm32l475re	All versions
St Stm32l475rg	All versions
St Stm32l475vc	All versions
St Stm32l475ve	All versions
St Stm32l475vg	All versions
St Stm32l476je	All versions
St Stm32l476jg	All versions
St Stm32l476me	All versions
St Stm32l476mg	All versions
St Stm32l476qe	All versions
St Stm32l476qg	All versions
St Stm32l476rc	All versions
St Stm32l476re	All versions
St Stm32l476rg	All versions
St Stm32l476vc	All versions
St Stm32l476ve	All versions
St Stm32l476vg	All versions
St Stm32l476ze	All versions
St Stm32l476zg	All versions
St Stm32l486jg	All versions
St Stm32l486qg	All versions
St Stm32l486rg	All versions
St Stm32l486vg	All versions
St Stm32l486zg	All versions
St Stm32l496ae	All versions
St Stm32l496ag	All versions
St Stm32l496qe	All versions
St Stm32l496qg	All versions
St Stm32l496re	All versions
St Stm32l496rg	All versions
St Stm32l496ve	All versions
St Stm32l496vg	All versions
St Stm32l496wg	All versions
St Stm32l496ze	All versions
St Stm32l496zg	All versions
St Stm32l4a6ag	All versions
St Stm32l4a6qg	All versions
St Stm32l4a6rg	All versions
St Stm32l4a6vg	All versions
St Stm32l4a6zg	All versions