CVE-2020-27209

Published: May 20, 2021Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

The ECDSA operation of the micro-ecc library 1.0 is vulnerable to simple power analysis attacks which allows an adversary to extract the private ECC key.

Affected (1)

Products: Micro Ecc Project: Micro Ecc

Micro Ecc Project

1 product

Micro Ecc

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Micro Ecc Project Micro Ecc	Version 1.0

References (10)

https://eprint.iacr.org/2021/640

Source: cve@mitre.org

Third Party Advisory

https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172

Source: cve@mitre.org

PatchThird Party Advisory

https://github.com/kmackay/micro-ecc/releases

Source: cve@mitre.org

Third Party Advisory

https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html

Source: cve@mitre.org

Third Party Advisory

https://www.aisec.fraunhofer.de/en/FirmwareProtection.html

Source: cve@mitre.org

Third Party Advisory

https://eprint.iacr.org/2021/640