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.

INFO

Published Date :

2026-02-03T16:52:45.772Z

Last Modified :

2026-02-06T19:30:43.252Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2020-37113 vulnerability.

Vendors Products
Gunet
  • Open Eclass Platform
Openeclass
  • Openeclass
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2020-37113.

URL Resource
https://download.openeclass.org/files/docs/1.7/CHANGES.txt cve-icon cve-icon
https://www.exploit-db.com/exploits/48163 cve-icon cve-icon
https://www.openeclass.org/ cve-icon cve-icon
https://www.vulncheck.com/advisories/gunet-openeclass-e-learning-platform-file-upload-extension-bypass cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact