{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-33834", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2023-09-08T01:55:56.453001", "dateReserved": "2021-06-03T00:00:00", "datePublished": "2023-09-08T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-09-08T01:55:56.453001"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in iscflashx64.sys 3.9.3.0 in Insyde H2OFFT 6.20.00. When handling IOCTL 0x22229a, the input used to allocate a buffer and copy memory is mishandled. This could cause memory corruption or a system crash."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://www.insyde.com/security-pledge"}, {"url": "https://www.insyde.com/security-pledge/SA-2021004"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:insyde:h2offt:6.20.00:*:*:*:*:*:*:*", "matchCriteriaId": "F6D12E08-642C-4101-AEE5-08891977CE27", "vulnerable": true}, {"criteria": "cpe:2.3:a:insyde:iscflashx64.sys:3.9.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "043174B7-0F25-47D3-807F-21D76356B83D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in iscflashx64.sys 3.9.3.0 in Insyde H2OFFT 6.20.00. When handling IOCTL 0x22229a, the input used to allocate a buffer and copy memory is mishandled. This could cause memory corruption or a system crash."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en iscflashx64.sys 3.9.3.0 en Insyde H2OFFT 6.20.00. Cuando se gestiona IOCTL 0x22229a, la entrada utilizada para asignar el b\u00fafer y copiar memoria se maneja incorrectamente. Esto podr\u00eda causar da\u00f1os en la memoria o un bloqueo del sistema."}], "id": "CVE-2021-33834", "lastModified": "2023-09-13T02:12:12.100", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-09-08T02:15:07.503", "references": [{"source": "cve@mitre.org", "tags": ["Not Applicable"], "url": "https://www.insyde.com/security-pledge"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.insyde.com/security-pledge/SA-2021004"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}