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CVE-2020-12393

Estado: ModificadaAlta (7.8)—

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

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)

Mozilla — FirefoxMozilla — Firefox ESRMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2020-12393",
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          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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  "published": "2020-05-26T17:15:10.167",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "CWE-78"
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      "value": "The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0."
    },
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      "lang": "es",
      "value": "La funcionalidad \"Copy as cURL\" de la pestaña de red de Devtools no escapa correctamente al método HTTP de una petición, que puede ser controlada por el sitio web. Si un usuario usó la funcionalidad \"Copy as cURL\" y pegó el comando a un terminal, podría haber resultado en una inyección de comandos y una ejecución de comandos arbitraria. *Nota: este problema solo afecta a Firefox en los sistemas operativos Windows.*. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 68.8, Firefox versiones anteriores a 76 y Thunderbird versiones anteriores a 68.8.0."
    }
  ],
  "lastModified": "2026-06-17T02:51:44.987",
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