Description
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.
References (5)
Core 5
Core References
Third Party Advisory x_refsource_misc
https://www.aisec.fraunhofer.de/en/FirmwareProtection.html
Third Party Advisory x_refsource_misc
https://eprint.iacr.org/2021/640
Third Party Advisory x_refsource_misc
https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/
Third Party Advisory x_refsource_misc
https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf
Third Party Advisory x_refsource_misc
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
Scores
CVSS v3
5.7
EPSS
0.0028
EPSS Percentile
19.1%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Details
CWE
CWE-203
Status
published
Products (1)
nordicsemi/nrf52840_firmware
< 2020-10-19
Published
May 21, 2021
Tracked Since
Feb 18, 2026