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CVE-2019-20790

Estado: ModificadaCrítica (9.8)—

OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.

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 (3)

Fedoraproject — FedoraPypolicyd-spf Project — Pypolicyd-spfTrusteddomain — Opendmarc

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2019-20790",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
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        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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          "integrityImpact": "HIGH",
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      "affectedData": [
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  "published": "2020-04-27T14:15:11.127",
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-290"
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  "descriptions": [
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      "lang": "en",
      "value": "OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field."
    },
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      "lang": "es",
      "value": "OpenDMARC versiones hasta 1.3.2 y versiones 1.4.x, cuando es usado con pypolicyd-spf versión 2.0.2, permite ataques que omiten la autenticación SPF y DMARC en situaciones en las que el campo HELO es inconsistente con el campo MAIL FROM."
    }
  ],
  "lastModified": "2026-06-17T02:31:12.060",
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