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CVE-2020-37113

HIGH

8.8

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.18.8

SeveridadeHIGH

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado2/3/2026

Ultima modificacao2/12/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

gunet:open_eclass_platform

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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