CVE-2021-30916
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, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious 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: 1.56%
- Percentil entre todas las CVEs puntuadas: 74
- 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
- http://seclists.org/fulldisclosure/2021/Dec/43
- http://seclists.org/fulldisclosure/2021/Dec/44
- 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/kb/HT212975
- https://support.apple.com/kb/HT212980
- http://seclists.org/fulldisclosure/2021/Dec/43
- http://seclists.org/fulldisclosure/2021/Dec/44
- 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/kb/HT212975
- https://support.apple.com/kb/HT212980
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-30916",
"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"
}
]
}
]
}
],
"published": "2021-08-24T19:15:19.297",
"references": [
{
"url": "http://seclists.org/fulldisclosure/2021/Dec/43",
"source": "product-security@apple.com"
},
{
"url": "http://seclists.org/fulldisclosure/2021/Dec/44",
"source": "product-security@apple.com"
},
{
"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/kb/HT212975",
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT212980",
"source": "product-security@apple.com"
},
{
"url": "http://seclists.org/fulldisclosure/2021/Dec/43",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://seclists.org/fulldisclosure/2021/Dec/44",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"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/kb/HT212975",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT212980",
"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, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges."
},
{
"lang": "es",
"value": "Se abordó un problema de corrupción de memoria con un manejo 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, Security Update 2021-007 Catalina, macOS Big Sur versión 11.6.1. Una aplicación maliciosa puede ser capaz de ejecutar código arbitrario con privilegios del kernel"
}
],
"lastModified": "2026-06-17T03:51:07.987",
"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": "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"
}