CVE-2021-30966
Estado: ModificadaAlta (7.5)—
Se abordó un problema lógico con una administración de estado mejorada. Este problema es corregido en macOS Monterey versión 12.1, watchOS versión 8.3, iOS versión 15.2 e iPadOS versión 15.2, tvOS versión 15.2. El tráfico de usuarios puede filtrarse no esperadamente a un servidor proxy a pesar de las configuraciones de PAC
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: 1.50%
- Percentil entre todas las CVEs puntuadas: 74
- 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 (5)
CWE
- NVD-CWE-noinfo
Referencias
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212980
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212980
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-30966",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"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": "watchOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.3",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "iOS and iPadOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "15.2",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "12.1",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "15.2",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-08-24T19:15:22.527",
"references": [
{
"url": "https://support.apple.com/en-us/HT212975",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212976",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212978",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212980",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212975",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212976",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212978",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212980",
"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 macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. User traffic might unexpectedly be leaked to a proxy server despite PAC configurations."
},
{
"lang": "es",
"value": "Se abordó un problema lógico con una administración de estado mejorada. Este problema es corregido en macOS Monterey versión 12.1, watchOS versión 8.3, iOS versión 15.2 e iPadOS versión 15.2, tvOS versión 15.2. El tráfico de usuarios puede filtrarse no esperadamente a un servidor proxy a pesar de las configuraciones de PAC"
}
],
"lastModified": "2026-06-17T03:51:13.917",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CCE4E546-A0DD-4E9E-A6B9-C19B04D77466",
"versionEndExcluding": "15.2"
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7FB904C1-43D1-4583-8729-5D1B1746A54C",
"versionEndExcluding": "15.2"
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "88111C46-3A34-4814-B892-71EB5A9B6743",
"versionEndExcluding": "12.1"
},
{
"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "16CAE2FB-FADC-4BF4-9115-D20D365051BF",
"versionEndExcluding": "15.2"
},
{
"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7A7245FB-6FBE-4C09-80F5-18504CA623B3",
"versionEndExcluding": "8.3"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "product-security@apple.com"
}