CVE-2020-9818

{"containers": {"cna": {"affected": [{"product": "iOS", "vendor": "Apple", "versions": [{"lessThan": "iOS 13.5 and iPadOS 13.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "iOS-1", "vendor": "Apple", "versions": [{"lessThan": "iOS 12.4.7", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "watchOS", "vendor": "Apple", "versions": [{"lessThan": "watchOS 6.2.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination."}], "problemTypes": [{"descriptions": [{"description": "Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-10-16T16:17:42.000Z", "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/HT211168"}, {"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/HT211175"}, {"tags": ["x_refsource_MISC"], "url": "https://support.apple.com/HT211169"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "product-security@apple.com", "ID": "CVE-2020-9818", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "iOS", "version": {"version_data": [{"version_affected": "<", "version_value": "iOS 13.5 and iPadOS 13.5"}]}}, {"product_name": "iOS-1", "version": {"version_data": [{"version_affected": "<", "version_value": "iOS 12.4.7"}]}}, {"product_name": "watchOS", "version": {"version_data": [{"version_affected": "<", "version_value": "watchOS 6.2.5"}]}}]}, "vendor_name": "Apple"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination"}]}]}, "references": {"reference_data": [{"name": "https://support.apple.com/HT211168", "refsource": "MISC", "url": "https://support.apple.com/HT211168"}, {"name": "https://support.apple.com/HT211175", "refsource": "MISC", "url": "https://support.apple.com/HT211175"}, {"name": "https://support.apple.com/HT211169", "refsource": "MISC", "url": "https://support.apple.com/HT211169"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:43:05.159Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/HT211168"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/HT211175"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.apple.com/HT211169"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-787", "lang": "en", "description": "CWE-787 Out-of-bounds Write"}]}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9818", "tags": ["government-resource"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-08-19T00:00:00+00:00", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2020-9818"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2021-11-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9818"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-20T04:55:53.124Z"}}]}, "cveMetadata": {"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "assignerShortName": "apple", "cveId": "CVE-2020-9818", "datePublished": "2020-06-09T16:12:39.000Z", "dateReserved": "2020-03-02T00:00:00.000Z", "dateUpdated": "2025-12-20T04:55:53.124Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://support.apple.com/HT211168", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://support.apple.com/HT211175", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://support.apple.com/HT211169", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:43:05.159Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2020-9818", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-12-19T15:03:03.983513Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2021-11-03", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9818"}}}], "references": [{"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9818", "tags": ["government-resource"]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-29T17:27:41.888Z"}}], "cna": {"affected": [{"vendor": "Apple", "product": "iOS", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "iOS 13.5 and iPadOS 13.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "iOS-1", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "iOS 12.4.7", "versionType": "custom"}]}, {"vendor": "Apple", "product": "watchOS", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "watchOS 6.2.5", "versionType": "custom"}]}], "references": [{"url": "https://support.apple.com/HT211168", "tags": ["x_refsource_MISC"]}, {"url": "https://support.apple.com/HT211175", "tags": ["x_refsource_MISC"]}, {"url": "https://support.apple.com/HT211169", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination"}]}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2020-10-16T16:17:42.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "iOS 13.5 and iPadOS 13.5", "version_affected": "<"}]}, "product_name": "iOS"}, {"version": {"version_data": [{"version_value": "iOS 12.4.7", "version_affected": "<"}]}, "product_name": "iOS-1"}, {"version": {"version_data": [{"version_value": "watchOS 6.2.5", "version_affected": "<"}]}, "product_name": "watchOS"}]}, "vendor_name": "Apple"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://support.apple.com/HT211168", "name": "https://support.apple.com/HT211168", "refsource": "MISC"}, {"url": "https://support.apple.com/HT211175", "name": "https://support.apple.com/HT211175", "refsource": "MISC"}, {"url": "https://support.apple.com/HT211169", "name": "https://support.apple.com/HT211169", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-9818", "STATE": "PUBLIC", "ASSIGNER": "product-security@apple.com"}}}}, "cveMetadata": {"cveId": "CVE-2020-9818", "state": "PUBLISHED", "dateUpdated": "2025-12-20T04:55:53.124Z", "dateReserved": "2020-03-02T00:00:00.000Z", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "datePublished": "2020-06-09T16:12:39.000Z", "assignerShortName": "apple"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "iOS", "vendor": "Apple", "versions": [{"lessThan": "iOS 13.5 and iPadOS 13.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "iOS-1", "vendor": "Apple", "versions": [{"lessThan": "iOS 12.4.7", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "watchOS", "vendor": "Apple", "versions": [{"lessThan": "watchOS 6.2.5", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "cisaActionDue": "2022-05-03", "cisaExploitAdd": "2021-11-03", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "9145C3CB-429B-4FB8-A0AC-B543E9FFF938", "versionEndExcluding": "13.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "0ACD1157-AD87-4487-897F-009FC3204A2A", "versionEndExcluding": "12.4.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "05AF2126-2012-4A6A-BF40-2870D87C85D8", "versionEndExcluding": "13.5", "versionStartIncluding": "13.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "matchCriteriaId": "85301873-69B8-4A21-9EFD-F69A5E1ABF40", "versionEndExcluding": "6.2.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination."}, {"lang": "es", "value": "Se abord\u00f3 un problema de escritura fuera de l\u00edmites con una comprobaci\u00f3n de l\u00edmites mejorada. Este problema es corregido en iOS versi\u00f3n 13.5 y iPadOS versi\u00f3n 13.5, iOS 12.4.7, watchOS versi\u00f3n 6.2.5. El procesamiento de un mensaje de correo dise\u00f1ado con fines maliciosos puede conllevar a modificaciones inesperadas de la memoria o la finalizaci\u00f3n de la aplicaci\u00f3n"}], "id": "CVE-2020-9818", "lastModified": "2026-06-17T03:28:37.607", "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": "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2020-9818", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-08-19T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2020-06-09T17:15:13.317", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/HT211168"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/HT211169"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/HT211175"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/HT211168"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/HT211169"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/HT211175"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9818"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}