CVE-2021-30744
Estado: ModificadaMedia (6.1)—
Description: A cross-origin issue with iframe elements was addressed with improved tracking of security origins. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 6.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.16%
- Percentil entre todas las CVEs puntuadas: 66
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (6)
CWE
- CWE-79
Referencias
- https://support.apple.com/en-us/HT212528
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/en-us/HT212532
- https://support.apple.com/en-us/HT212533
- https://support.apple.com/en-us/HT212534
- https://support.apple.com/en-us/HT212528
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/en-us/HT212532
- https://support.apple.com/en-us/HT212533
- https://support.apple.com/en-us/HT212534
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-30744",
"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": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.1,
"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 and iPadOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "14.6",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "11.4",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "14.6",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "7.5",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "14.1",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-09-08T14:15:09.640",
"references": [
{
"url": "https://support.apple.com/en-us/HT212528",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212529",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212532",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212533",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212534",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212528",
"tags": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
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"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212532",
"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212533",
"tags": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212534",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Description: A cross-origin issue with iframe elements was addressed with improved tracking of security origins. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to universal cross site scripting."
},
{
"lang": "es",
"value": "Descripción: Se abordó un problema de origen cruzado con elementos iframe con un seguimiento de los orígenes de seguridad mejorados. Este problema se corrigió en tvOS versión 14.6, iOS versión 14.6 e iPadOS versión 14.6, Safari versión 14.1.1, macOS Big Sur versión 11.4, watchOS versión 7.5. El procesamiento de contenido web maliciosamente diseñado puede conllevar un cross site scripting universal"
}
],
"lastModified": "2026-06-17T03:50:48.130",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FFDA8CE0-8F2C-4FA7-91F8-A720F56EBC5D",
"versionEndExcluding": "14.1.1"
},
{
"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "168B0313-B7B6-4CD5-AD4F-C133050498BF",
"versionEndExcluding": "14.6"
},
{
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"vulnerable": true,
"matchCriteriaId": "E1BB03E7-7DC3-404B-AD37-78849BE46420",
"versionEndExcluding": "14.6"
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "391D9971-3C67-4B94-9AF2-1D4D23DAF95F",
"versionEndExcluding": "11.4",
"versionStartIncluding": "11.0.1"
},
{
"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9076D8C8-70CD-4DE5-8BAE-8CA6A5BEDDB3",
"versionEndExcluding": "14.6"
},
{
"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DD3B375C-0996-4A6E-AB14-D8A7561F1DFC",
"versionEndExcluding": "7.5"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "product-security@apple.com"
}