CVE-2020-7261
Estado: ModificadaMedia (5.5)—
Buffer Overflow via Environment Variables vulnerability in AMSI component in McAfee Endpoint Security (ENS) Prior to 10.7.0 February 2020 Update allows local users to disable Endpoint Security via a carefully crafted user input.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.26%
- Percentil entre todas las CVEs puntuadas: 16
- 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 (1)
CWE
- CWE-119
- CWE-120
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-7261",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 2.1,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "trellixpsirt@trellix.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.1,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 4.7,
"exploitabilityScore": 0.8
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "trellixpsirt@trellix.com",
"affectedData": [
{
"vendor": "McAfee LLC",
"product": "McAfee Endpoint Security (ENS)",
"versions": [
{
"status": "affected",
"version": "10.x",
"lessThan": "10.7.0 April 2020 Update",
"versionType": "custom"
}
]
}
]
}
],
"published": "2020-04-15T12:15:12.090",
"references": [
{
"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10309",
"source": "trellixpsirt@trellix.com"
},
{
"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10309",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "trellixpsirt@trellix.com",
"description": [
{
"lang": "en",
"value": "CWE-119"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-120"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Buffer Overflow via Environment Variables vulnerability in AMSI component in McAfee Endpoint Security (ENS) Prior to 10.7.0 February 2020 Update allows local users to disable Endpoint Security via a carefully crafted user input."
},
{
"lang": "es",
"value": "Una vulnerabilidad de Desbordamiento de Búfer por medio de Variables de Entorno en el componente AMSI en McAfee Endpoint Security (ENS) versiones anteriores a 10.7.0 Update de Febrero de 2020, permite a usuarios locales desactivar Endpoint Security por medio de una entrada de usuario cuidadosamente diseñada."
}
],
"lastModified": "2026-06-17T03:24:36.753",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mcafee:endpoint_security:10.5.0:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "6AC514CA-D094-433D-9561-99048D43902F"
},
{
"criteria": "cpe:2.3:a:mcafee:endpoint_security:10.5.1:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "1B7AE3E9-DDCE-4119-B57D-B3D471E05B16"
},
{
"criteria": "cpe:2.3:a:mcafee:endpoint_security:10.5.2:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "603FE358-FADA-4FE6-B3F2-169D032A57E9"
},
{
"criteria": "cpe:2.3:a:mcafee:endpoint_security:10.5.3:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "66461D42-AE21-41B3-9FCB-3F6D09AC323E"
},
{
"criteria": "cpe:2.3:a:mcafee:endpoint_security:10.5.4:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "DCC441CF-5EA0-41C1-AE15-6672FF20B73A"
},
{
"criteria": "cpe:2.3:a:mcafee:endpoint_security:10.5.5:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "A6551AB4-1B0F-4EE3-8ED1-99413E3F19DD"
},
{
"criteria": "cpe:2.3:a:mcafee:endpoint_security:10.6.0:*:*:*:*:windows:*:*",
"vulnerable": true,
"matchCriteriaId": "94732038-F35D-41AB-A550-E6F5FF9004DF"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "trellixpsirt@trellix.com"
}