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VULNERABILITIES

CVE-2020-27211 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.7 MEDIUMVector:CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://eprint.iacr.org/2021/640 CVEThird Party Advisory
https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf CVEThird Party Advisory
https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/ CVEThird Party Advisory
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html CVEThird Party Advisory
https://www.aisec.fraunhofer.de/en/FirmwareProtection.html CVEThird Party Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-203Observable Discrepancy[email protected]

Affected Products

ProductVersions
nordicsemi nrf52840 firmware
<= 2020-10-19

CPE

  • cpe:2.3:o:nordicsemi:nrf52840_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
nordicsemi nrf52840
All versions

CPE

  • cpe:2.3:h:nordicsemi:nrf52840:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-27211
NVD Published Date:
May 21, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-27211 Details - Not Deferred