High 8.8Published Feb 3, 2026

CVE-2020-37113GUnet OpenEclass 1.7.3 E-learning platform - File Upload Extension Bypass

Updated under an hour ago (Oct 27, 2026, 5:23 AM ET)

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It affects Openeclass GUnet OpenEclass and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Openeclass GUnet OpenEclass

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-434
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Jul 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Openeclass GUnet OpenEclass openeclass:gunet_openeclass (from the name)	1.7.3 (2007)	CNA record
gunet open_eclass_platform gunet:open_eclass_platform	1.7.3	NVD

References

References

https://www.exploit-db.com/exploits/48163	exploit, third-party-advisory, vdb-entry
https://www.openeclass.org/	product
https://download.openeclass.org/files/docs/1.7/CHANGES.txt	patch, release-notes
https://www.vulncheck.com/advisories/gunet-openeclass-e-learning-platform-file-upload-extension-bypass	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.