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vuln-cve/data/2020/9xxx/CVE-2020-9818.json
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{
"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",
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}
]
},
{
"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": [
{
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"version_value": "iOS 12.4.7"
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},
{
"product_name": "watchOS",
"version": {
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"version_affected": "<",
"version_value": "watchOS 6.2.5"
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]
}
}
]
},
"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",
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],
"url": "https://support.apple.com/HT211175"
},
{
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"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"
}