CVEvulnerability
CVE-2020-37113
8.7 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-434
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.
Affected configurations
• gunet open eclass platform 1.7.3
Related
Weakness · CWE (1)
- CWE-434 Unrestricted Upload of File with Dangerous Type weakness
References
- https://download.openeclass.org/files/docs/1.7/CHANGES.txt Release Notes
- https://www.exploit-db.com/exploits/48163 Exploit, Third Party Advisory, VDB Entry
- https://www.openeclass.org/ Product
- https://www.vulncheck.com/advisories/gunet-openeclass-e-learning-platform-file-upload-extension-bypass Third Party Advisory