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CVE-2021-4457

Estado: AnalizadaCrítica (9.1)—

The ZoomSounds plugin before 6.05 contains a PHP file allowing unauthenticated users to upload an arbitrary file anywhere on the web server.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

AV:N/PR:N/UI:N indica exposición web sin autenticación (T1190). CWE-434 y 'arbitrary file upload' permite web shell (T1505.003) y posterior ejecución de código (T1059).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account ManagementDisable or Remove Feature or ProgramVulnerability ScanningUser Account ManagementRestrict Web-Based ContentNetwork Segmentation

Tecnologías afectadas (1)

Digitalzoomstudio — Zoomsounds

CWE

Referencias

JSON original (NVD)

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      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "ZoomSounds",
          "versions": [
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              "version": "0",
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              "versionType": "semver"
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    }
  ],
  "lastModified": "2026-06-17T04:19:47.853",
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