CVE-2021-30798
Estado: ModificadaAlta (7.5)—
Se abordó un problema lógico con una administración de estado mejorada. Este problema se corrigió en iOS versión 14.7, macOS Big Sur versión 11.5, watchOS versión 7.6. Una aplicación maliciosa puede ser capaz de omitir ciertas preferencias de privacidad
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.77%
- Percentil entre todas las CVEs puntuadas: 78
- Fecha de la puntuación: 8/10/2026
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 (3)
CWE
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-30798",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
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"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
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"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
{
"vendor": "Apple",
"product": "iOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "14.7",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "11.5",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
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"status": "affected",
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"lessThan": "7.6",
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}
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}
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}
],
"published": "2021-09-08T14:15:11.750",
"references": [
{
"url": "https://support.apple.com/en-us/HT212601",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212602",
"tags": [
"Vendor Advisory"
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"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212605",
"tags": [
"Vendor Advisory"
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"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212601",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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{
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"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A logic issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6. A malicious application may be able to bypass certain Privacy preferences."
},
{
"lang": "es",
"value": "Se abordó un problema lógico con una administración de estado mejorada. Este problema se corrigió en iOS versión 14.7, macOS Big Sur versión 11.5, watchOS versión 7.6. Una aplicación maliciosa puede ser capaz de omitir ciertas preferencias de privacidad"
}
],
"lastModified": "2026-06-17T03:50:54.967",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D3AF02B7-BF1F-483A-BA47-9B5B92AF1D29",
"versionEndExcluding": "14.7"
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{
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"versionEndExcluding": "11.5"
},
{
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"matchCriteriaId": "94EF9266-E8BC-4F20-B724-A3151A06192C",
"versionEndExcluding": "7.6"
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"operator": "OR"
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],
"sourceIdentifier": "product-security@apple.com"
}