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CVE-2021-44169

Estado: ModificadaAlta (8.8)—

A improper initialization in Fortinet FortiClient (Windows) version 6.0.10 and below, version 6.2.9 and below, version 6.4.7 and below, version 7.0.3 and below allows attacker to gain administrative privileges via placing a malicious executable inside the FortiClient installer's directory.

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)

Fortinet — Forticlient

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-44169",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-44169",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-23T14:12:43.753946Z"
        }
      }
    ],
    "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": "Secondary",
        "source": "psirt@fortinet.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.2,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.5
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@fortinet.com",
      "affectedData": [
        {
          "vendor": "Fortinet",
          "product": "Fortinet FortiClientWindows",
          "versions": [
            {
              "status": "affected",
              "version": "FortiClientWindows 7.0.2, 7.0.1, 7.0.0, 6.4.7, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.10, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-04-06T10:15:08.087",
  "references": [
    {
      "url": "https://fortiguard.com/psirt/FG-IR-21-238",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://fortiguard.com/psirt/FG-IR-21-238",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-665"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A improper initialization in Fortinet FortiClient (Windows) version 6.0.10 and below, version 6.2.9 and below, version 6.4.7 and below, version 7.0.3 and below allows attacker to gain administrative privileges via placing a malicious executable inside the FortiClient installer's directory."
    },
    {
      "lang": "es",
      "value": "Una inicialización incorrecta en Fortinet FortiClient (Windows) versiones 6.0.10 y anteriores, versiones 6.2.9 y anteriores, versiones 6.4.7 y anteriores, versiones 7.0.3 y anteriores, permite a un atacante obtener privilegios administrativos por medio de la colocación de un ejecutable malicioso dentro del directorio del instalador de FortiClient"
    }
  ],
  "lastModified": "2026-06-17T04:11:59.430",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "99B02B5E-89EF-46E5-8EC4-98AC8FB5CAFC",
              "versionEndIncluding": "6.0.10",
              "versionStartIncluding": "6.0.0"
            },
            {
              "criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C5601CD7-A7CE-4FC5-A635-B20B415DC8C4",
              "versionEndIncluding": "6.2.9",
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            },
            {
              "criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*",
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              "matchCriteriaId": "5B8BAACF-048F-4E43-A979-F4DB09D99F1B",
              "versionEndIncluding": "6.4.7",
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            },
            {
              "criteria": "cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*",
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              "matchCriteriaId": "3845E219-CBE9-4BFF-86FB-6D8C1AE70C35",
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            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "psirt@fortinet.com"
}