Vulnerability in Nordicsemi Nrf52840
CVE-2020-27211
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.
EPSS: 0.003 (19.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Nordicsemi Nrf52840
- Nordicsemi Nrf52840_firmware
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-27211?
- CVE-2020-27211 is a medium-severity vulnerability in Nordicsemi Nrf52840, classified under Observable Discrepancy. CVSS score: 5.7/10. Published 2021-05-21.
- How severe is CVE-2020-27211?
- Medium severity. CVSS v3 base score is 5.7 out of 10.