CVE-2020-27211

Nordic Semiconductor nRF52840 devices through 2020-10-19 have improper protection against physical side channels. The flash read-out protection (APPROTECT) can be bypassed by injecting a fault during the boot phase.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.7 MEDIUM
PHYSICAL
HIGH
NONE
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
VendorProductVersion
nordicseminrf52840_firmware
𝑥
≤ 2020-10-19
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://eprint.iacr.org/2021/640
https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf
https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
https://www.aisec.fraunhofer.de/en/FirmwareProtection.html
https://eprint.iacr.org/2021/640
https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf
https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
https://www.aisec.fraunhofer.de/en/FirmwareProtection.html