CVE-2024-3705

Name: CVE-2024-3705
Creator: NVD / NIST
Published: 2024-04-12T14:15:08.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.77%

Last modified Jun 17, 2026

CVE-2024-3705 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.77%

50.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Opengnsys	Opengnsys	1.1.1d

References

https://opengnsys.es/web/parche-de-seguridad-cve-2024-370xVendor Advisory
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-opengnsysThird Party Advisory
https://opengnsys.es/web/parche-de-seguridad-cve-2024-370xVendor Advisory
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-opengnsysThird Party Advisory

Timeline

Published: Apr 12, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-3705?

How severe is CVE-2024-3705?

CVE-2024-3705 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2024-3705?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-3705?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST