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CVE-2020-7238

Estado: ModificadaAlta (7.5)—

Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [space]Transfer-Encoding:chunked line) and a later Content-Length header. This issue exists because of an incomplete fix for CVE-2019-16869.

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 (6)

Debian — Debian LinuxFedoraproject — FedoraNetty — NettyRedhat — Jboss Enterprise Application PlatformRedhat — Jboss Enterprise Application Platform Text-only AdvisoriesRedhat — Openshift Application Runtimes Text-only Advisories

CWE

Referencias

JSON original (NVD)

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      "description": [
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          "lang": "en",
          "value": "CWE-444"
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      "lang": "en",
      "value": "Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [space]Transfer-Encoding:chunked line) and a later Content-Length header. This issue exists because of an incomplete fix for CVE-2019-16869."
    },
    {
      "lang": "es",
      "value": "Netty versión 4.1.43.Final, permite el tráfico no autorizado de peticiones HTTP porque maneja inapropiadamente el espacio en blanco de Transfer-Encoding (tal y como una línea [space]Transfer-Encoding:chunked) y un encabezado Content-Length posterior. Este problema existe debido a una corrección incompleta para el CVE-2019-16869."
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  "lastModified": "2026-06-17T03:24:34.033",
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