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Status published
Medium
CVE-2020-27211
Nordic Semiconductor nRF52840 devices through 2020-10-19 have improper protection against...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.aisec.fraunhofer.de/en/FirmwareProtection.html
- https://eprint.iacr.org/2021/640
- https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/
- https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf
- https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
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Affected Vendor
nordicsemi
View all reports →Affected Software
nrf52840 firmware
Vulnerable Versions:
0
Timeline
Official Publish:
May 21st, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.