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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
VendorProductVersion
nordicseminrf52840_firmware
𝑥
≤ 2021-03-29
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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/