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CVE-2021-37627

Estado: ModificadaAlta (7.2)—

Contao is an open source CMS that allows creation of websites and scalable web applications. In affected versions it is possible to gain privileged rights in the Contao back end. Installations are only affected if they have untrusted back end users who have access to the form generator. All users are advised to update to Contao 4.4.56, 4.9.18 or 4.11.7. As a workaround users may disable the form generator or disable the login for untrusted back end users.

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)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-37627",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
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  "published": "2021-08-11T23:15:07.847",
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  "vulnStatus": "Modified",
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      "description": [
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          "value": "CWE-269"
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      "source": "nvd@nist.gov",
      "description": [
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      "lang": "en",
      "value": "Contao is an open source CMS that allows creation of websites and scalable web applications. In affected versions it is possible to gain privileged rights in the Contao back end. Installations are only affected if they have untrusted back end users who have access to the form generator. All users are advised to update to Contao 4.4.56, 4.9.18 or 4.11.7. As a workaround users may disable the form generator or disable the login for untrusted back end users."
    },
    {
      "lang": "es",
      "value": "Contao es un CMS de código abierto que permite la creación de sitios y aplicaciones web escalables. En las versiones afectadas es posible obtener derechos privilegiados en el back-end de Contao. Las instalaciones sólo están afectadas si tienen usuarios de back-end no confiables que tengan acceso al generador de formularios. Se recomienda a todos los usuarios que actualicen a Contao versiones 4.4.56, 4.9.18 o 4.11.7. Como solución, los usuarios pueden desactivar el generador de formularios o desactivar el inicio de sesión para usuarios de back end no confiables"
    }
  ],
  "lastModified": "2026-06-17T04:00:51.570",
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