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VULNERABILITIES

CVE-2021-29415 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://eprint.iacr.org/2021/640 CVEThird Party Advisory
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html CVEThird Party Advisory
https://www.sit.fraunhofer.de/en/news-events/downloads-services/cve/ CVENot Applicable
https://eprint.iacr.org/2021/640 [email protected]Third Party Advisory
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html [email protected]Third Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-203Observable Discrepancy[email protected]

Affected Products

ProductVersions
nordicsemi nrf52840 firmware
<= 2021-03-29

CPE

  • cpe:2.3:o:nordicsemi:nrf52840_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
nordicsemi nrf52840
All versions

CPE

  • cpe:2.3:h:nordicsemi:nrf52840:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-29415
NVD Published Date:
May 21, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-29415 Details - Not Deferred