CVE-2020-27208

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This allows an adversary to downgrade the RDP level and access secrets such as private ECC keys from SRAM via the debug interface."}, {"lang": "es", "value": "El nivel de protecci\u00f3n de lectura flash (RDP) no se aplica durante la fase de inicializaci\u00f3n del dispositivo del SoloKeys Solo 4.0.0 & Somu y el token de Nitrokey FIDO2. Esto permite a un adversario degradar el nivel de RDP y acceder a secretos como claves ECC privadas de SRAM por medio de la interfaz de depuraci\u00f3n"}], "id": "CVE-2020-27208", "lastModified": "2026-06-17T03:08:56.393", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-21T12:15:07.663", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://eprint.iacr.org/2021/640"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/solokeys/solo/commit/a9c02cd354f34b48195a342c7f524abdef5cbcec"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://solokeys.com"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://twitter.com/SoloKeysSec"}, {"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": ["Exploit", "Third Party Advisory"], "url": "https://www.aisec.fraunhofer.de/en/FirmwareProtection.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://eprint.iacr.org/2021/640"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/solokeys/solo/commit/a9c02cd354f34b48195a342c7f524abdef5cbcec"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://solokeys.com"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://twitter.com/SoloKeysSec"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "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": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.aisec.fraunhofer.de/en/FirmwareProtection.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-326"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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