CVE-2020-3902
Status: ModifiedMedium (6.1)—
An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. Processing maliciously crafted web content may lead to a cross site scripting attack.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Base score: 6.1
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.15%
- Percentile among all scored CVEs: 66
- Score date: 10/7/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (6)
CWEs
- CWE-79
References
- https://support.apple.com/HT211101
- https://support.apple.com/HT211102
- https://support.apple.com/HT211104
- https://support.apple.com/HT211105
- https://support.apple.com/HT211106
- https://support.apple.com/HT211107
- https://support.apple.com/HT211101
- https://support.apple.com/HT211102
- https://support.apple.com/HT211104
- https://support.apple.com/HT211105
- https://support.apple.com/HT211106
- https://support.apple.com/HT211107
Raw JSON (NVD)
Show
{
"id": "CVE-2020-3902",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
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"cvssData": {
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"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
{
"vendor": "Apple",
"product": "iOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "iOS 13.4 and iPadOS 13.4",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "tvOS",
"versions": [
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"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "Safari",
"versions": [
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"lessThan": "Safari 13.1",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "iTunes for Windows",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "iTunes for Windows 12.10.5",
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},
{
"vendor": "Apple",
"product": "iCloud for Windows",
"versions": [
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"versionType": "custom"
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},
{
"vendor": "Apple",
"product": "iCloud for Windows (Legacy)",
"versions": [
{
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"version": "unspecified",
"lessThan": "iCloud for Windows 7.18",
"versionType": "custom"
}
]
}
]
}
],
"published": "2020-04-01T18:15:16.677",
"references": [
{
"url": "https://support.apple.com/HT211101",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/HT211102",
"tags": [
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],
"source": "product-security@apple.com"
},
{
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"tags": [
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"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/HT211105",
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"source": "product-security@apple.com"
},
{
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"source": "product-security@apple.com"
},
{
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"tags": [
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},
{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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{
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},
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. Processing maliciously crafted web content may lead to a cross site scripting attack."
},
{
"lang": "es",
"value": "Se abordó un problema de comprobación de entrada con una validación de entrada mejorada. Este problema es corregido en iOS versión 13.4 y iPadOS versión 13.4, tvOS versión 13.4, Safari versión 13.1, iTunes para Windows versión 12.10.5, iCloud para Windows versión 10.9.3, iCloud para Windows versión 7.18. Un procesamiento de contenido web diseñado con fines maliciosos puede conllevar a un ataque de tipo cross site scripting."
}
],
"lastModified": "2026-06-17T03:19:13.967",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "5699D48B-9BBA-4BED-AFB7-1EB453797EBF",
"versionEndExcluding": "10.9.3"
},
{
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"matchCriteriaId": "82E6396E-8C78-4EED-88EC-B97C9B4C2DA9",
"versionEndExcluding": "12.10.5"
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{
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"matchCriteriaId": "A754595C-30B0-4E62-8ECF-E671F6C3DC57",
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"operator": "OR"
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}
],
"sourceIdentifier": "product-security@apple.com"
}