CVE-2021-29415
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
ProductNordicsemi Nrf52840 Firmware
PublishedMay 21, 2021
First seenMay 21, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nordicsemi nrf52840_firmware | v ≤ 2021-03-29 | — |
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