Auth bypass in N-Media Frontend File Manager

CVE-2025-57921

Missing Authorization vulnerability in N-Media Frontend File Manager nmedia-user-file-uploader allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Frontend File Manager: from n/a through <= 23.3.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-57921: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-57921?
CVE-2025-57921 is a medium-severity vulnerability in N-Media Frontend File Manager, classified under Missing Authorization. CVSS score: 5.3/10. Published 2025-09-22.
How severe is CVE-2025-57921?
Medium severity. CVSS v3 base score is 5.3 out of 10.