Medium severity5.7NVD Advisory· Published May 21, 2021· Updated Jun 17, 2026
CVE-2020-27211
CVE-2020-27211
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Nordic Semiconductor/nRF52840description
- Range: <=2020-10-19
- Range: <=2020-10-19
Patches
Vulnerability mechanics
References
5- eprint.iacr.org/2021/640nvdThird Party Advisory
- infocenter.nordicsemi.com/pdf/in_133_v1.0.pdfnvdThird Party Advisory
- limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/nvdThird Party Advisory
- www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.htmlnvdThird Party Advisory
- www.aisec.fraunhofer.de/en/FirmwareProtection.htmlnvdThird Party Advisory
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