CVE-2020-27897
Estado: ModificadaAlta (7.8)—
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. 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: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: 0.58%
- Percentil entre todas las CVEs puntuadas: 46
- 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
- CWE-787
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-27897",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.2,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"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": "11.0",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "11.1",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-04-02T18:15:15.090",
"references": [
{
"url": "https://support.apple.com/en-us/HT211931",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT212011",
"tags": [
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-486/",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/HT211931",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://support.apple.com/en-us/HT212011",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-486/",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"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 issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges."
},
{
"lang": "es",
"value": "Se abordó un problema de escritura fuera de límites con una comprobación de límites mejorada. Este problema es corregido en macOS Big Sur versión 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur versión 11.0.1. Una aplicación puede ser capaz de ejecutar código arbitrario con privilegios de kernel."
}
],
"lastModified": "2026-06-17T03:09:48.513",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6DE2B03F-94EE-4E32-B366-FE31A7031403",
"versionEndExcluding": "10.14.6",
"versionStartIncluding": "10.14"
},
{
"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_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: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:supplemental_update:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C1C795B9-E58D-467C-83A8-2D45C792292F"
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "65DA669D-2EF4-43FE-91C5-982BB4377178",
"versionEndExcluding": "11.1",
"versionStartIncluding": "11.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "product-security@apple.com"
}