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.
Exploitability
AV:PAC:HPR:NUI:NScope
S:UImpact
C:HI:HA:N5.7/CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N