CVE-2021-43522

{"id": "CVE-2021-43522", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 0.8}]}, "published": "2022-02-03T00:15:07.677", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20220216-0003/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.insyde.com/security-pledge", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20220216-0003/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.insyde.com/security-pledge", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.kb.cert.org/vuls/id/796611", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM."}, {"lang": "es", "value": "Se ha detectado un problema en InsydeH2O con el kernel versi\u00f3n 5.1 hasta 08-11-2021, versi\u00f3n 5.2 hasta 08-11-2021 y versi\u00f3n 5.3 hasta 08-11-2021. Una vulnerabilidad de corrupci\u00f3n de memoria de StorageSecurityCommandDxe SMM permite a un atacante escribir datos fijos o predecibles en la SMRAM. Una explotaci\u00f3n de este problema podr\u00eda conllevar a una escalada de privilegios en SMM"}], "lastModified": "2025-11-04T20:16:02.400", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "782E4B3F-E5F2-418F-A499-7767030FABAD", "versionEndExcluding": "5.14.34", "versionStartIncluding": "5.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96AAE5DC-7312-4693-A9EC-8C20D5C0F15C", "versionEndExcluding": "5.24.34", "versionStartIncluding": "5.2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0792F379-EC3C-49AA-AE32-5C7693B4F4AB", "versionEndExcluding": "5.33.34", "versionStartIncluding": "5.3"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}