CVE-2021-30784
Estado: ModificadaAlta (7.8)—
Multiple issues were addressed with improved logic. This issue is fixed in macOS Big Sur 11.5. A local attacker may be able to execute code on the Apple T2 Security Chip.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.33%
- Percentil entre todas las CVEs puntuadas: 24
- 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 (2)
CWE
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-30784",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.6,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"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:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "11.5",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-09-08T14:15:11.180",
"references": [
{
"url": "https://support.apple.com/en-us/HT212602",
"tags": [
"Release Notes",
"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/HT212602",
"tags": [
"Release Notes",
"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": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Multiple issues were addressed with improved logic. This issue is fixed in macOS Big Sur 11.5. A local attacker may be able to execute code on the Apple T2 Security Chip."
},
{
"lang": "es",
"value": "Se abordaron múltiples problemas con una lógica mejorada. Este problema se corrigió en macOS Big Sur versión 11.5. Un atacante local puede ser capaz de ejecutar código en el Apple T2 Security Chip"
}
],
"lastModified": "2026-06-17T03:50:53.467",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"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"
}