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CVE-2020-12392

Estado: ModificadaMedia (5.5)—

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data 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 the disclosure of local files. 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 (4)

Canonical — Ubuntu LinuxMozilla — FirefoxMozilla — Firefox ESRMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2020-12392",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
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  "published": "2020-05-26T18:15:11.357",
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      "value": "The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data 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 the disclosure of local files. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0."
    },
    {
      "lang": "es",
      "value": "La funcionalidad \"Copy as cURL\" de la pestaña de red de Devtools no escapa apropiadamente los datos HTTP POST de una petición, que el sitio web puede controlar. Si un usuario usó la funcionalidad \"Copy as cURL\" y pegó el comando a un terminal, podría haber resultado en la divulgación de archivos locales. 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": "2026-06-17T02:51:44.863",
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