{ "id": "CVE-2020-27209", "sourceIdentifier": "cve@mitre.org", "published": "2021-05-20T21:15:07.653", "lastModified": "2021-05-27T18:21:37.907", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "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." }, { "lang": "es", "value": "La operaci\u00f3n ECDSA de la biblioteca micro-ecc versi\u00f3n 1.0 es vulnerable a ataques de an\u00e1lisis de energ\u00eda simple que permiten a un adversario extraer la clave ECC privada" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:micro-ecc_project:micro-ecc:1.0:*:*:*:*:*:*:*", "matchCriteriaId": "30CAFFC3-13D5-4864-8F8E-9407DDA24148" } ] } ] } ], "references": [ { "url": "https://eprint.iacr.org/2021/640", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/kmackay/micro-ecc/releases", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.aisec.fraunhofer.de/en/FirmwareProtection.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }