{"id":"CVE-2020-27209","details":"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.","modified":"2026-05-18T18:03:44.524468Z","published":"2021-05-20T21:15:07.653Z","references":[{"type":"ADVISORY","url":"https://eprint.iacr.org/2021/640"},{"type":"ADVISORY","url":"https://github.com/kmackay/micro-ecc/releases"},{"type":"ADVISORY","url":"https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html"},{"type":"ADVISORY","url":"https://www.aisec.fraunhofer.de/en/FirmwareProtection.html"},{"type":"FIX","url":"https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/kmackay/micro-ecc","events":[{"introduced":"0"},{"last_affected":"d037ec89546fad14b5c4d5456c2e23a71e554966"}],"database_specific":{"source":"CPE_FIELD","cpe":"cpe:2.3:a:micro-ecc_project:micro-ecc:1.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"1.0"}]}}],"versions":["v1.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27209.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}