CVE-2021-20487

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"confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.3}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}]}, "published": "2021-05-26T17:15:14.260", "references": [{"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/197730", "tags": ["VDB Entry", "Vendor Advisory"], "source": "psirt@us.ibm.com"}, {"url": "https://www.ibm.com/support/pages/node/6455911", "tags": ["Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-347"}]}], "descriptions": [{"lang": "en", "value": "IBM Power9 Self Boot Engine(SBE) could allow a privileged user to inject malicious code and compromise the integrity of the host firmware bypassing the host firmware signature verification process."}, {"lang": "es", "value": "IBM Power9 Self Boot Engine (SBE), podr\u00eda permitir a un usuario privilegiado inyectar c\u00f3digo malicioso y comprometer la integridad del firmware del host al omitir el proceso de comprobaci\u00f3n de la firma del firmware del host"}], "lastModified": "2021-06-14T15:11:41.090", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:ibm:power9_system_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CCEDA6C8-69E8-455C-AC29-5424603CD45B", "versionEndExcluding": "fw930.30", "versionStartIncluding": "fw930.00"}, {"criteria": "cpe:2.3:o:ibm:power9_system_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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