{ "id": "CVE-2021-33626", "sourceIdentifier": "cve@mitre.org", "published": "2021-10-01T03:15:06.593", "lastModified": "2022-04-24T02:03:42.070", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution." }, { "lang": "es", "value": "Existe una vulnerabilidad en la rama SMM (System Management Mode) que registra un manejador SWSMI que no comprueba o valida suficientemente el puntero del buffer asignado (valores QWORD para CommBuffer). Esto puede ser utilizado por un atacante para corromper los datos en la memoria SMRAM e incluso llevar a la ejecuci\u00f3n de c\u00f3digo arbitrario" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 4.6 }, 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"https://security.netapp.com/advisory/ntap-20220216-0006/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.insyde.com/security-pledge", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.insyde.com/security-pledge/SA-2021001", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] } ] }