Vulnerability Details : 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.
Published 2021-05-21 13:15:08
Updated 2022-05-03 16:04:40
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2020-27211

Exploit prediction scoring system (EPSS) score for CVE-2020-27211

EPSS FAQ
0.08%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-27211

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.3
 LOW AV:L/AC:M/Au:N/C:P/I:P/A:N
3.4
4.9
 NIST
5.7
 MEDIUM CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
0.5
5.2
 NIST

CWE ids for CVE-2020-27211

  • The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-27211

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