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CVE-2020-7257

Estado: ModificadaMedia (6.3)—

Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent.

CVSS

Probabilidad de explotación (EPSS)

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)

Mcafee — Endpoint Security

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-7257",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.3,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "trellixpsirt@trellix.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.4,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.3,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1
      }
    ]
  },
  "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": "2020-04-15T12:15:11.917",
  "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-264"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Privilege escalation vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2020 Update allows local users to cause the deletion and creation of files they would not normally have permission to through altering the target of symbolic links whilst an anti-virus scan was in progress. This is timing dependent."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de escalada de privilegios en McAfee Endpoint Security (ENS) para Windows versión anterior a 10.7.0 Update de Febrero de 2020, permite a usuarios locales causar la eliminación y  creación de archivos para los que normalmente no tendrían permiso al alterar el objetivo de los enlaces simbólicos mientras un escaneo de antivirus estaba en progreso. Esto depende de la sincronización."
    }
  ],
  "lastModified": "2026-06-17T03:24:36.330",
  "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"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "1B7AE3E9-DDCE-4119-B57D-B3D471E05B16"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "603FE358-FADA-4FE6-B3F2-169D032A57E9"
            },
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              "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"
            },
            {
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              "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"
}