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.
History

Fri, 06 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 04 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Openeclass
Openeclass openeclass
Vendors & Products Openeclass
Openeclass openeclass

Tue, 03 Feb 2026 17:30:00 +0000

Type Values Removed Values Added
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.
Title GUnet OpenEclass 1.7.3 E-learning platform - File Upload Extension Bypass
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-06T19:30:43.252Z

Reserved: 2026-02-03T16:27:45.302Z

Link: CVE-2020-37113

cve-icon Vulnrichment

Updated: 2026-02-06T19:29:51.583Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-03T18:16:11.527

Modified: 2026-02-04T16:34:21.763

Link: CVE-2020-37113

cve-icon Redhat

No data.