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CVE-2020-37113

HIGH

8.8

Description

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.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie2/3/2026

Derniere modification2/12/2026

Sourcenvd

Observations honeypot0

Produits affectes

gunet:open_eclass_platform

Faiblesses (CWE)

CWE-434

References

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)

Correlations IOC

Aucune correlation enregistree

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