CVE Vulnerability

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.

3.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.7 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.5 / Impact : 5.2

Attack Vector PHYSICAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

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

Configuration 1
Information

Published : 2021-05-21 01:15

Updated : 2022-05-03 04:04

NVD link : CVE-2020-27211

Mitre link : CVE-2020-27211

Products Affected
No products.
CWE
CWE-203