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CVE-2020-37113

HIGH

8.8

Descripcion

GUnet OpenEclass 1.7.3 allows authenticated users to bypass file extension restrictions when uploading files. By renaming a PHP file to .php3 or .PhP, an attacker can upload a web shell and execute arbitrary code on the server. This vulnerability enables remote code execution by bypassing the intended file type checks in the exercise submission feature.

Detalles CVE

Puntuacion CVSS v3.18.8

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado2/3/2026

Ultima modificacion2/12/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

gunet:open_eclass_platform

Debilidades (CWE)

CWE-434

Referencias

https://download.openeclass.org/files/docs/1.7/CHANGES.txt(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/48163(disclosure@vulncheck.com)

https://www.openeclass.org/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/gunet-openeclass-e-learning-platform-file-upload-extension-bypass(disclosure@vulncheck.com)

Correlaciones IOC

Sin correlaciones registradas

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