CVE-2024-3705: opengnsys File Upload RCE — Fix

Description

Unrestricted file upload vulnerability in OpenGnsys affecting version 1.1.1d (Espeto). This vulnerability allows an attacker to send a POST request to the endpoint '/opengnsys/images/M_Icons.php' modifying the file extension, due to lack of file extension verification, resulting in a webshell injection.

Is your site exposed to CVE-2024-3705?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
opengnsys	opengnsys	All

References

Advisories & Patches

https://opengnsys.es/web/parche-de-seguridad-cve-2024-370x https://opengnsys.es/web/parche-de-seguridad-cve-2024-370x

Other References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-opengnsys https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-opengnsys

Frequently Asked Questions

What is CVE-2024-3705? +

Unrestricted file upload vulnerability in OpenGnsys affecting version 1.1.1d (Espeto). This vulnerability allows an attacker to send a POST request to the endpoint '/opengnsys/images/M_Icons.php' modifying the file extension, due to lack of file extension verification, resulting in a webshell injection. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-3705? +

CVE-2024-3705 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-3705? +

CVE-2024-3705 affects products from opengnsys, specifically: opengnsys. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-3705? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-3219

pip handles concatenated tar and ZIP files as ZIP files regardless of filename or whether a file is both a …

CVE-2026-60032

Joomla Extension - themexpert.com - Authenticated arbitrary file upload in JMedia < 1.6.0 - The Joomla extension JMedia is vulnerable …

CVE-2024-43662

The <redacted>.exe or <redacted>.exe CGI binary can be used to upload arbitrary files to /tmp/upload/ or /tmp/ respectively as any …

CVE-2026-41517

Emlog is an open source website building system. Prior to version 2.6.11, insecure plugin upload functionality allows attackers to upload …

CVE-2026-5482

Responsive FileManager's allows an unauthenticated attacker to upload files of any type and extension without restriction using dialog.php endpoint, leading …

CVE-2026-34027

The Wertheim SafeController Software, AssemblyVersion 6.15.8328.28014, contains insufficient server-side file type validation in the /safe/contract/uploadcustomdocuments endpoint. The application validates uploaded …

CVE-2024-3705