{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able 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": "2022-02-23T15:06:18.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.insyde.com/security-pledge"}, {"tags": ["x_refsource_MISC"], "url": "https://www.insyde.com/security-pledge/SA-2022024"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20220222-0003/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-41837", "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 AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able 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://www.insyde.com/security-pledge/SA-2022024", "refsource": "MISC", "url": "https://www.insyde.com/security-pledge/SA-2022024"}, {"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}, {"name": "https://security.netapp.com/advisory/ntap-20220222-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20220222-0003/"}]}}}, "adp": [{"title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.insyde.com/security-pledge"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.insyde.com/security-pledge/SA-2022024"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20220222-0003/"}, {"url": "https://www.kb.cert.org/vuls/id/796611"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-04T19:12:34.238Z"}}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-41837", "datePublished": "2022-02-03T01:23:39.000Z", "dateReserved": "2021-10-01T00:00:00.000Z", "dateUpdated": "2025-11-04T19:12:34.238Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "A64DE17F-735B-490B-A4AD-8606684DDB5D", "versionEndExcluding": "5.08.41", "versionStartIncluding": "5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "5EE9D6D0-77EF-41CE-ACB2-A43B0543F9C7", "versionEndExcluding": "5.16.41", "versionStartIncluding": "5.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "ADDAD8E2-7468-4D96-8A9F-8C2BB0E8EACB", "versionEndExcluding": "5.26.41", "versionStartIncluding": "5.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "7AF0CD01-CD57-41D5-9827-437F0683E13B", "versionEndExcluding": "5.35.41", "versionStartIncluding": "5.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "2DA61A73-A290-493E-A797-1A7E7AF0BDE5", "versionEndExcluding": "5.43.41", "versionStartIncluding": "5.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "matchCriteriaId": "0CB4ED22-F39A-45BD-B748-5C67D0BEEF53", "versionEndExcluding": "5.51.41", "versionStartIncluding": "5.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_field_pg_m5_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "324ADC7E-AECD-4B7D-8571-5399542C2BF6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_field_pg_m5:-:*:*:*:*:*:*:*", "matchCriteriaId": "506DEE00-30D2-4E29-9645-757EB8778C0F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_field_pg_m6_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "480C5657-5C05-40F5-B76A-E67119727ED8", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_field_pg_m6:-:*:*:*:*:*:*:*", "matchCriteriaId": "8F3C3E60-7C36-4F5D-B454-97C9D0FD9459", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc127e_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "2AEB5AD1-3973-4150-BEA2-C9DE0B98222F", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc127e:-:*:*:*:*:*:*:*", "matchCriteriaId": "F63C0B17-60E2-4240-92FD-4B7C7D8F2C8B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc227g_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "C3F52F29-0ACF-4ECC-927A-0CB27399E5D9", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc227g:-:*:*:*:*:*:*:*", "matchCriteriaId": "0D1E85AC-1305-4C5E-AD8B-39B2654F6057", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc277g_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F203C449-2B5C-47A1-BF3D-8DCFD29F0B18", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc277g:-:*:*:*:*:*:*:*", "matchCriteriaId": "320F5752-86B3-4C08-89D0-02272753A6D0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc327g_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A37FB5EC-BB64-472C-81FC-8EEF238E3C12", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc327g:-:*:*:*:*:*:*:*", "matchCriteriaId": "EC7303D1-CC95-42C7-B843-C3B3B3336669", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc377g_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "45013BCA-3897-4D58-81FA-D8CB9D19268C", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc377g:-:*:*:*:*:*:*:*", "matchCriteriaId": "FDD6F034-BC50-4223-AE5D-319F04C866A8", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc427e_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F6422BF3-01B7-443B-BD2B-80E45D7C3F5F", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc427e:-:*:*:*:*:*:*:*", "matchCriteriaId": "A40D0CDB-7BE6-491F-B730-3B4E10CA159A", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc477e_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "696F47E6-C1CA-4A58-A91F-4B3EA92954AF", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc477e:-:*:*:*:*:*:*:*", "matchCriteriaId": "FDF9D4C3-1892-48FA-95B4-835B636A4005", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc627e_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F712060C-ECDB-4BC7-B9B9-468B41DE615B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc627e:-:*:*:*:*:*:*:*", "matchCriteriaId": "9D9AF082-8345-4BE1-B1FC-6E0316BB833B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc647e_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D511C170-65E5-416D-B7CE-557A503F25AE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc647e:-:*:*:*:*:*:*:*", "matchCriteriaId": "E430C4C5-D887-47C6-B50F-66EEE9519151", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc677e_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "577C19F5-82ED-46DF-91CC-A074DE99EBDD", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc677e:-:*:*:*:*:*:*:*", "matchCriteriaId": "5F9FA42D-B2F0-456F-89B7-6A5789787FBA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_ipc847e_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CEF4592C-5DB3-45F4-B354-59701BBA0C08", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_ipc847e:-:*:*:*:*:*:*:*", "matchCriteriaId": "1157418C-14C4-43C4-B63E-7E98D868A94F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_itp1000_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "87F0538B-ED6E-40C7-9C2A-4C5DC3D2935E", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_itp1000:-:*:*:*:*:*:*:*", "matchCriteriaId": "187C6D51-5B86-484D-AE0F-26D1C9465580", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en AhciBusDxe en el kernel versi\u00f3n 5.0 hasta la versi\u00f3n 5.5 en InsydeH2O. Debido a una desviaci\u00f3n de puntero no fiable que provoca la corrupci\u00f3n de la memoria de SMM, un atacante puede ser capaz de escribir datos fijos o predecibles en SMRAM. La explotaci\u00f3n de este problema podr\u00eda llevar a escalar privilegios a SMM"}], "id": "CVE-2021-41837", "lastModified": "2025-11-04T20:16:00.877", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-02-03T02:15:07.033", "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-20220222-0003/"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge/SA-2022024"}, {"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-20220222-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge/SA-2022024"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.kb.cert.org/vuls/id/796611"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}