CVE-2021-30909
Estado: ModificadaAlta (7.8)—
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.38%
- Percentil entre todas las CVEs puntuadas: 71
- Fecha de la puntuación: 6/10/2026
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 (7)
CWE
- CWE-787
Referencias
- https://support.apple.com/en-us/HT212867
- https://support.apple.com/en-us/HT212868
- https://support.apple.com/en-us/HT212869
- https://support.apple.com/en-us/HT212871
- https://support.apple.com/en-us/HT212872
- https://support.apple.com/en-us/HT212874
- https://support.apple.com/en-us/HT212876
- https://support.apple.com/en-us/HT212867
- https://support.apple.com/en-us/HT212868
- https://support.apple.com/en-us/HT212869
- https://support.apple.com/en-us/HT212871
- https://support.apple.com/en-us/HT212872
- https://support.apple.com/en-us/HT212874
- https://support.apple.com/en-us/HT212876
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-30909",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 9.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/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"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
{
"vendor": "Apple",
"product": "iOS and iPadOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "15.1",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "iOS and iPadOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "14.8",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "12.0",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "2021",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "11.6",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.1",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "15.1",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-08-24T19:15:18.947",
"references": [
{
"url": "https://support.apple.com/en-us/HT212867",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212868",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212869",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212871",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212872",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212874",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212876",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212867",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212868",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212869",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212871",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212872",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212874",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212876",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges."
},
{
"lang": "es",
"value": "Se abordó un problema de corrupción de memoria con una administración de memoria mejorada. Este problema se corrigió en iOS versión 15.1 y iPadOS versión 15.1, macOS Monterey versión 12.0.1, iOS versión 14.8.1 y iPadOS versión 14.8.1, tvOS versión 15.1, watchOS versión 8.1, Security Update 2021-007 Catalina, macOS Big Sur versión 11.6.1. Una aplicación puede ser capaz de ejecutar código arbitrario con privilegios del kernel"
}
],
"lastModified": "2026-06-17T03:51:07.220",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A9DB9916-6DA1-4A32-86A2-AD8DC5246709",
"versionEndExcluding": "14.8.1"
},
{
"criteria": "cpe:2.3:o:apple:ipados:15.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6361C54F-4F5D-4624-8A1F-69DBC6AD4A69"
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "54888682-EF77-4F2A-B07F-AA86B0C65717",
"versionEndExcluding": "14.8.1"
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:15.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A332DEC8-FB74-404E-BE6A-46DB0DEDAA59"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EF8C1CB5-DACB-449C-9E07-E477142C589F",
"versionEndExcluding": "10.15.7"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A654B8A2-FC30-4171-B0BB-366CD7ED4B6A"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F1F4BF7F-90D4-4668-B4E6-B06F4070F448"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0F441A43-1669-478D-9EC8-E96882DE4F9F"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D425C653-37A2-448C-BF2F-B684ADB08A26"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-003:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A54D63B7-B92B-47C3-B1C5-9892E5873A98"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-004:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3456176F-9185-4EE2-A8CE-3D989D674AB7"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-005:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D337EE21-2F00-484D-9285-F2B0248D7A19"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-006:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "012052B5-9AA7-4FD3-9C80-5F615330039D"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C1C795B9-E58D-467C-83A8-2D45C792292F"
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3ADD7C81-7CB2-4505-ACA0-9EC193E347D1",
"versionEndExcluding": "11.6.1",
"versionStartIncluding": "11.0"
},
{
"criteria": "cpe:2.3:o:apple:macos:12.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1974DC5F-8F37-4582-B597-E58C94189193"
},
{
"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9A76BB8B-613D-46B7-80F8-83B6EF76F344",
"versionEndExcluding": "15.1"
},
{
"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A82F66E5-A6BF-4D7A-8DCA-DD4C35723936",
"versionEndExcluding": "8.1"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "product-security@apple.com"
}