CVE-2025-46001

CriticalPublic PoC

Published: 18 July 2025

Published

18 July 2025

Modified

14 October 2025

KEV Added

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Patch

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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0145 81.2th percentile

Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-46001 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Simogeo Filemanager. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 18.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-46001 is an arbitrary file upload vulnerability in the is_allowed_file_type() function of Filemanager v2.3.0. The issue is tracked under CWE-434 and carries a CVSS 3.1 base score of 9.8, reflecting network-accessible exploitation with no required privileges or user interaction that can result in full confidentiality, integrity, and availability impact.

An unauthenticated attacker can upload a crafted PHP file through the affected component and achieve arbitrary code execution on the server. The flaw resides in the open-source Filemanager project available on GitHub.

The associated EPSS score sits at 0.0145 with no material rise from its initial value after disclosure. Public references include the project repository, a detailed CVE entry, and an Exploit-DB record, but no advisory or patch information on mitigation steps is provided in the available sources.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-21880

Vulnerability details

An arbitrary file upload vulnerability in the is_allowed_file_type() function of Filemanager v2.3.0 allows attackers to execute arbitrary code via uploading a crafted PHP file.

CWE(s): CWE-434

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1505.003 Web Shell Persistence

Adversaries may backdoor web servers with web shells to establish persistent access to systems.

attack.mitre.org →

Why these techniques?

Arbitrary file upload vulnerability in web-based Filemanager enables exploitation of public-facing application (T1190) and deployment/execution of web shells via crafted PHP files (T1100).