« Volver al listado

CVE-2019-16986

Estado: ModificadaMedia (6.5)—

En FusionPBX versiones hasta v4.5.7, el archivo resources\download.php utiliza una variable "f" no saneada que proviene de la URL, que toma cualquier nombre de ruta y permite su descarga. (el archivo resources\secure_download.php también está afectado).

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)

Fusionpbx — Fusionpbx

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-16986",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-10-21T16:15:18.133",
  "references": [
    {
      "url": "https://github.com/fusionpbx/fusionpbx/commit/9482d9ee0e4287df21339be4276125e38e048951",
      "tags": [
        "Not Applicable"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/fusionpbx/fusionpbx/commit/9c61191049c949e01f99ea1fbab1feb44709e108",
      "tags": [
        "Not Applicable"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-path-traversal-2/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/fusionpbx/fusionpbx/commit/9482d9ee0e4287df21339be4276125e38e048951",
      "tags": [
        "Not Applicable"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/fusionpbx/fusionpbx/commit/9c61191049c949e01f99ea1fbab1feb44709e108",
      "tags": [
        "Not Applicable"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-path-traversal-2/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In FusionPBX up to v4.5.7, the file resources\\download.php uses an unsanitized \"f\" variable coming from the URL, which takes any pathname and allows a download of it. (resources\\secure_download.php is also affected.)"
    },
    {
      "lang": "es",
      "value": "En FusionPBX versiones hasta v4.5.7, el archivo resources\\download.php utiliza una variable \"f\" no saneada que proviene de la URL, que toma cualquier nombre de ruta y permite su descarga. (el archivo resources\\secure_download.php también está afectado)."
    }
  ],
  "lastModified": "2026-06-17T02:23:05.690",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fusionpbx:fusionpbx:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A5A0C1F9-8032-46C6-8DD4-DB91FACF7330",
              "versionEndIncluding": "4.5.7"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}