Vulnerability Details CVE-2021-29415
The elliptic curve cryptography (ECC) hardware accelerator, part of the ARM® TrustZone® CryptoCell 310, contained in the NordicSemiconductor nRF52840 through 2021-03-29 has a non-constant time ECDSA implemenation. This allows an adversary to recover the private ECC key used during an ECDSA operation.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 24.9%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
References
- https://eprint.iacr.org/2021/640
- https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
- https://www.sit.fraunhofer.de/en/news-events/downloads-services/cve/
- https://eprint.iacr.org/2021/640
- https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
- https://www.sit.fraunhofer.de/en/news-events/downloads-services/cve/
Products affected by CVE-2021-29415
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cpe:2.3:h:nordicsemi:nrf52840:-
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cpe:2.3:o:nordicsemi:nrf52840_firmware:-
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cpe:2.3:o:nordicsemi:nrf52840_firmware:2020-10-19
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cpe:2.3:o:nordicsemi:nrf52840_firmware:2021-03-29