CVE-2021-30792
Estado: ModificadaAlta (7.8)—
An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Processing a maliciously crafted image may lead to arbitrary code execution.
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: 1.29%
- Percentil entre todas las CVEs puntuadas: 69
- 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 (4)
CWE
- CWE-787
Referencias
- https://support.apple.com/en-us/HT212601
- https://support.apple.com/en-us/HT212602
- https://support.apple.com/kb/HT212600
- https://support.apple.com/kb/HT212603
- https://support.apple.com/en-us/HT212601
- https://support.apple.com/en-us/HT212602
- https://support.apple.com/kb/HT212600
- https://support.apple.com/kb/HT212603
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-30792",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"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",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "14.7",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "11.5",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-09-08T14:15:11.530",
"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"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT212600",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/kb/HT212603",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212601",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212602",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT212600",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/kb/HT212603",
"tags": [
"Vendor Advisory"
],
"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": "An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Processing a maliciously crafted image may lead to arbitrary code execution."
},
{
"lang": "es",
"value": "Se abordó una escritura fuera de límites con una comprobación de entrada mejorada. Este problema se corrigió en iOS versión 14.7, macOS Big Sur versión 11.5. El procesamiento de una imagen maliciosamente diseñada puede conllevar a una ejecución de código arbitrario"
}
],
"lastModified": "2026-06-17T03:50:54.393",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3B5771AF-0A7B-4CB9-85C1-AE624498D080",
"versionEndExcluding": "14.7"
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D3AF02B7-BF1F-483A-BA47-9B5B92AF1D29",
"versionEndExcluding": "14.7"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3E76BECE-0843-4B9F-90DE-7690764701B0",
"versionEndExcluding": "10.14.6",
"versionStartIncluding": "10.14.0"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB8A73F8-3074-4B32-B9F6-343B6B1988C5",
"versionEndExcluding": "10.15.7",
"versionStartIncluding": "10.15"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "693E7DAE-BBF0-4D48-9F8A-20DDBD4AAC0C"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CFE26ECC-A2C2-4501-9950-510DE0E1BD86"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "26108BEF-0847-4AB0-BD98-35344DFA7835"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A369D48B-6A0A-47AE-9513-D5E2E6F30931"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "510F8317-94DA-498E-927A-83D5F41AF54A"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0D5D1970-6D2A-42CA-A203-42023D71730D"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C68AE52B-5139-40A4-AE9A-E752DBF07D1B"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0FD3467D-7679-479F-9C0B-A93F7CD0929D"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D4C6098E-EDBD-4A85-8282-B2E9D9333872"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "518BB47B-DD76-4E8C-9F10-7EBC1E146191"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "63940A55-D851-46EB-9668-D82BEFC1FE95"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "68C7A97A-3801-44FA-96CA-10298FA39883"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6D69914D-46C7-4A0E-A075-C863C1692D33"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9CDB4476-B521-43E4-A129-8718A8E0A8CD"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9D072B77-BE3F-4A2E-B66A-E2C8DC3781E4"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A4A6BF78-B772-435C-AC1A-2199027CCF9E"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9A233DE4-D09A-4157-B852-E675889DD4C1"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-004:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C5B08C18-E0B5-4036-824E-4A3FCB518200"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2C88BD98-46F5-447F-963A-FB9B167E31BE"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C7A0615B-D958-4BBF-B53F-AA839A0FE845"
},
{
"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:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F12CC8B5-C1EB-419E-8496-B9A3864656AD"
},
{
"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_2020-005:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7FD7176C-F4D1-43A7-9E49-BA92CA0D9980"
},
{
"criteria": "cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2703DE0B-8A9E-4A9D-9AE8-028E22BF47CA"
},
{
"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:supplemental_update:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C1C795B9-E58D-467C-83A8-2D45C792292F"
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "91CD5E8A-20E3-4193-BD1F-99FB1147081C",
"versionEndExcluding": "11.5"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "product-security@apple.com"
}