CVE-2021-43522

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-02-22T19:06:54.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.insyde.com/security-pledge"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20220216-0003/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-43522", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.insyde.com/security-pledge", "refsource": "MISC", "url": "https://www.insyde.com/security-pledge"}, {"name": "https://security.netapp.com/advisory/ntap-20220216-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20220216-0003/"}, {"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}]}}}, "adp": [{"title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.insyde.com/security-pledge"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20220216-0003/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}, {"url": "https://www.kb.cert.org/vuls/id/796611"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-04T19:12:45.265Z"}}, {"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-08-11T12:22:20.574Z"}, "affected": [{"vendor": "Siemens", "product": "RUGGEDCOM APE1808 - BIOS", "versions": [{"status": "affected", "version": "0", "lessThan": "V1.0.202N", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Field PG M5", "versions": [{"status": "affected", "version": "0", "lessThan": "V22.01.10", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Field PG M6", "versions": [{"status": "affected", "version": "0", "lessThan": "V26.01.13", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC127E", "versions": [{"status": "affected", "version": "0", "lessThan": "V27.01.09", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC227G", "versions": [{"status": "affected", "version": "0", "lessThan": "V28.01.04", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC277G", "versions": [{"status": "affected", "version": "0", "lessThan": "V28.01.04", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC\u00a0IPC277G PRO", "versions": [{"status": "affected", "version": "0", "lessThan": "V28.01.04", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC327G", "versions": [{"status": "affected", "version": "0", "lessThan": "V28.01.04", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC377G", "versions": [{"status": "affected", "version": "0", "lessThan": "V28.01.04", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC427E", "versions": [{"status": "affected", "version": "0", "lessThan": "V21.01.17", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC477E", "versions": [{"status": "affected", "version": "0", "lessThan": "V21.01.17", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC477E PRO", "versions": [{"status": "affected", "version": "0", "lessThan": "V21.01.17", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC627E", "versions": [{"status": "affected", "version": "0", "lessThan": "V25.02.12", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC647E", "versions": [{"status": "affected", "version": "0", "lessThan": "V25.02.12", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC677E", "versions": [{"status": "affected", "version": "0", "lessThan": "V25.02.12", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC IPC847E", "versions": [{"status": "affected", "version": "0", "lessThan": "V25.02.12", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ITP1000", "versions": [{"status": "affected", "version": "0", "lessThan": "V23.01.10", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS IPC427E", "versions": [{"status": "affected", "version": "0", "lessThan": "V21.01.17", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-306654.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-43522", "datePublished": "2022-02-02T23:41:09.000Z", "dateReserved": "2021-11-08T00:00:00.000Z", "dateUpdated": "2026-08-11T12:22:20.574Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}, {"affectedData": [{"defaultStatus": "unknown", "product": "RUGGEDCOM APE1808 - BIOS", "vendor": "Siemens", "versions": [{"lessThan": "V1.0.202N", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC Field PG M5", "vendor": "Siemens", "versions": [{"lessThan": "V22.01.10", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC Field PG M6", "vendor": "Siemens", "versions": [{"lessThan": "V26.01.13", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC127E", "vendor": "Siemens", "versions": [{"lessThan": "V27.01.09", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC227G", "vendor": "Siemens", "versions": [{"lessThan": "V28.01.04", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC277G", "vendor": "Siemens", "versions": [{"lessThan": "V28.01.04", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC\u00a0IPC277G PRO", "vendor": "Siemens", "versions": [{"lessThan": "V28.01.04", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC327G", "vendor": "Siemens", "versions": [{"lessThan": "V28.01.04", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC377G", "vendor": "Siemens", "versions": [{"lessThan": "V28.01.04", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC427E", "vendor": "Siemens", "versions": [{"lessThan": "V21.01.17", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC477E", "vendor": "Siemens", "versions": [{"lessThan": "V21.01.17", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC477E PRO", "vendor": "Siemens", "versions": [{"lessThan": "V21.01.17", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC627E", "vendor": "Siemens", "versions": [{"lessThan": "V25.02.12", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC647E", "vendor": "Siemens", "versions": [{"lessThan": "V25.02.12", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC677E", "vendor": "Siemens", "versions": [{"lessThan": "V25.02.12", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC IPC847E", "vendor": "Siemens", "versions": [{"lessThan": "V25.02.12", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIMATIC ITP1000", "vendor": "Siemens", "versions": [{"lessThan": "V23.01.10", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unknown", "product": "SIPLUS IPC427E", "vendor": "Siemens", "versions": [{"lessThan": "V21.01.17", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "782E4B3F-E5F2-418F-A499-7767030FABAD", "versionEndExcluding": "5.14.34", "versionStartIncluding": "5.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "96AAE5DC-7312-4693-A9EC-8C20D5C0F15C", "versionEndExcluding": "5.24.34", "versionStartIncluding": "5.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "0792F379-EC3C-49AA-AE32-5C7693B4F4AB", "versionEndExcluding": "5.33.34", "versionStartIncluding": "5.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}], "id": "CVE-2021-43522", "lastModified": "2026-08-11T13:17:22.203", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-02-03T00:15:07.677", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220216-0003/"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220216-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.kb.cert.org/vuls/id/796611"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-306654.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}