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CVE-2021-39316

Estado: ModificadaAlta (7.5)—💥 Exploit

The Zoomsounds plugin <= 6.45 for WordPress allows arbitrary files, including sensitive configuration files such as wp-config.php, to be downloaded via the `dzsap_download` action using directory traversal in the `link` parameter.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

Digitalzoomstudio — Zoomsounds

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-39316",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-39316",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-05T14:51:03.450798Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@wordfence.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@wordfence.com",
      "affectedData": [
        {
          "vendor": "ZoomIt",
          "product": "ZoomSounds - WordPress Wave Audio Player with Playlist",
          "versions": [
            {
              "status": "affected",
              "version": "6.45",
              "versionType": "custom",
              "lessThanOrEqual": "6.45"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-31T12:15:07.420",
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/165146/WordPress-DZS-Zoomsounds-6.45-Arbitrary-File-Read.html",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@wordfence.com"
    },
    {
      "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39316",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@wordfence.com"
    },
    {
      "url": "http://packetstormsecurity.com/files/165146/WordPress-DZS-Zoomsounds-6.45-Arbitrary-File-Read.html",
      "tags": [
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        "Third Party Advisory",
        "VDB Entry"
      ],
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    },
    {
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      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@wordfence.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        },
        {
          "lang": "en",
          "value": "CWE-552"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Zoomsounds plugin <= 6.45 for WordPress allows arbitrary files, including sensitive configuration files such as wp-config.php, to be downloaded via the `dzsap_download` action using directory traversal in the `link` parameter."
    },
    {
      "lang": "es",
      "value": "El plugin Zoomsounds versiones anteriores a 6.45 incluyéndola para WordPress, permite una descarga de archivos arbitrarios, incluyendo archivos de configuración confidenciales como wp-config.php, por medio de la acción \"dzsap_download\" usando un salto de directorio en el parámetro \"link\""
    }
  ],
  "lastModified": "2026-06-17T04:03:32.053",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:digitalzoomstudio:zoomsounds:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C3D967ED-A6CB-45D8-8A81-1913FC944CB3",
              "versionEndIncluding": "6.45"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@wordfence.com"
}