CVE-2021-1867

{"containers": {"cna": {"affected": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "14.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "11.3", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges."}], "problemTypes": [{"descriptions": [{"description": "A malicious application may be able to execute arbitrary code with kernel privileges", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-09-08T14:49:29.000Z", "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/en-us/HT212317"}, {"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/en-us/HT212325"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "product-security@apple.com", "ID": "CVE-2021-1867", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "iOS and iPadOS", "version": {"version_data": [{"version_affected": "<", "version_value": "14.5"}]}}, {"product_name": "macOS", "version": {"version_data": [{"version_affected": "<", "version_value": "11.3"}]}}]}, "vendor_name": "Apple"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "A malicious application may be able to execute arbitrary code with kernel privileges"}]}]}, "references": {"reference_data": [{"name": "https://support.apple.com/en-us/HT212317", "refsource": "MISC", "url": "https://support.apple.com/en-us/HT212317"}, {"name": "https://support.apple.com/en-us/HT212325", "refsource": "MISC", "url": "https://support.apple.com/en-us/HT212325"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T16:25:06.411Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/en-us/HT212317"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/en-us/HT212325"}]}]}, "cveMetadata": {"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "assignerShortName": "apple", "cveId": "CVE-2021-1867", "datePublished": "2021-09-08T14:49:29.000Z", "dateReserved": "2020-12-08T00:00:00.000Z", "dateUpdated": "2024-08-03T16:25:06.411Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "14.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "11.3", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "3EAAE2C1-EF21-4567-99F1-335D1EF955D1", "versionEndExcluding": "14.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "C1E12568-6F17-458F-8216-3D6DBC8F6DEE", "versionEndExcluding": "14.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "4E699CCC-31F5-458E-A59C-79B3AF143747", "versionEndExcluding": "11.3", "versionStartIncluding": "11.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges."}, {"lang": "es", "value": "Se abord\u00f3 una lectura fuera de l\u00edmites con una comprobaci\u00f3n de entrada mejorada. Este problema se corrigi\u00f3 en iOS versi\u00f3n 14.5 e iPadOS versi\u00f3n 14.5, macOS Big Sur versi\u00f3n 11.3. Una aplicaci\u00f3n maliciosa puede ser capaz de ejecutar c\u00f3digo arbitrario con privilegios del kernel"}], "id": "CVE-2021-1867", "lastModified": "2026-06-17T03:32:41.453", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-08T15:15:11.910", "references": [{"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212317"}, {"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212325"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212317"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT212325"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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