{"api_version":"1","generated_at":"2026-07-24T00:04:05+00:00","cve":"CVE-2021-41842","urls":{"html":"https://cve.report/CVE-2021-41842","api":"https://cve.report/api/cve/CVE-2021-41842.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-41842","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-41842"},"summary":{"title":"CVE-2021-41842","description":"An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2022-01-06 00:15:00","updated_at":"2022-03-01 19:58:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://security.netapp.com/advisory/ntap-20220223-0002/","name":"https://security.netapp.com/advisory/ntap-20220223-0002/","refsource":"CONFIRM","tags":[],"title":"CVE-2021-41842 InsydeH2O Vulnerability in NetApp Products | NetApp Product Security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.insyde.com/security-pledge","name":"https://www.insyde.com/security-pledge","refsource":"MISC","tags":[],"title":"Insyde's Security Pledge | Insyde Software","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-41842","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41842","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"41842","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"insyde","cpe5":"insydeh2o","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-41842","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 AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://www.insyde.com/security-pledge","refsource":"MISC","name":"https://www.insyde.com/security-pledge"},{"refsource":"CONFIRM","name":"https://security.netapp.com/advisory/ntap-20220223-0002/","url":"https://security.netapp.com/advisory/ntap-20220223-0002/"}]}},"nvd":{"publishedDate":"2022-01-06 00:15:00","lastModifiedDate":"2022-03-01 19:58:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0","versionEndExcluding":"05.08.46","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"05.16.46","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"05.26.46","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"05.35.46","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*","versionStartExcluding":"5.4","versionEndExcluding":"05.43.46","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"05.51.45","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"41842","Ordinal":"217663","Title":"CVE-2021-41842","CVE":"CVE-2021-41842","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"41842","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}