CVE-2024-3705 | Unrestricted Upload of File with Dangerous Type vulnerability in OpenGnsys

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.

Published: 2024-04-12 Last update: 2025-11-04 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-3705 is rated Moderate Risk (63.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.21%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-3705

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-29 0.89% 1.21% +0.32%
2 2026-05-01 0.68% 0.89% +0.21%
3 2025-11-21 0.68%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-3705

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 [email protected]

Weakness enumeration for CVE-2024-3705

Affected software / configurations for CVE-2024-3705

Vendor Product Version Raw CPE
opengnsys opengnsys 1.1.1d cpe:2.3:a:opengnsys:opengnsys:1.1.1d:*:*:*:*:*:*:*

References for CVE-2024-3705

cvelogic Threat Intelligence