CVE-2021-34521

{"containers": {"cna": {"title": "Raw Image Extension Remote Code Execution Vulnerability", "datePublic": "2021-07-13T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.18363.1679"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_21H1:*:*:*:*:*:*:x64:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.19043.1110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:x86:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.19042.1110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.19042.1110"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Windows 10 Version 1909", "platforms": ["ARM64-based Systems", "x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "10.0.18363.1679", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 20H2", "platforms": ["32-bit Systems", "ARM64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "10.0.19042.1110", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows 10 Version 21H1", "platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "10.0.19043.1110", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Windows Server version 20H2", "platforms": ["x64-based Systems"], "versions": [{"version": "10.0.0", "lessThan": "10.0.19042.1110", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Raw Image Extension Remote Code Execution Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Remote Code Execution", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-10T15:11:20.390Z"}, "references": [{"name": "Raw Image Extension Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34521"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:12:50.390Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34521"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-34521", "datePublished": "2021-07-14T17:54:36.000Z", "dateReserved": "2021-06-09T00:00:00.000Z", "dateUpdated": "2026-08-10T15:11:20.390Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"platforms": ["ARM64-based Systems", "x64-based Systems"], "product": "Windows 10 Version 1909", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.18363.1679", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"platforms": ["32-bit Systems", "ARM64-based Systems"], "product": "Windows 10 Version 20H2", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19042.1110", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"platforms": ["32-bit Systems", "ARM64-based Systems", "x64-based Systems"], "product": "Windows 10 Version 21H1", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19043.1110", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Windows Server version 20H2", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19042.1110", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*", "matchCriteriaId": "9E2C378B-1507-4C81-82F6-9F599616845A", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*", "matchCriteriaId": "FAE4278F-71A7-43E9-8F79-1CBFAE71D730", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*", "matchCriteriaId": "31622391-A67E-4E2A-A855-1316B6E38630", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*", "matchCriteriaId": "61F0792D-7587-4297-8EE7-D4DC3A30EE84", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*", "matchCriteriaId": "4A190388-AA82-4504-9D5A-624F23268C9F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Raw Image Extension Remote Code Execution Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Ejecuci\u00f3n de C\u00f3digo Remota de Raw Image Extension"}], "id": "CVE-2021-34521", "lastModified": "2026-08-10T16:17:56.600", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-07-14T18:15:12.287", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34521"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34521"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}