CVE-2023-3406: Path traversal issue in M-Files Classic Web

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-25 · updated 2026-06-17
Weakness: CWE-22

Description

Path Traversal issue in M-Files Classic Web versions below 23.6.12695.3 and LTS Service Release Versions before 23.2 LTS SR3 allows authenticated user to read some restricted files on the web server

Affected products

M-Files Web: before 23.2; before 23.6.12695.3; 23.2 — fixed in 23.2, 23.6.12695.3

How to fix

Upgrade to a fixed version: M-Files Web 23.2, 23.6.12695.3. Check the vendor advisory for mitigations.

References

https://empower.m-files.com/security-advisories/CVE-2023-3406
https://product.m-files.com/security-advisories/cve-2023-3406/
https://www.m-files.com/about/trust-center/security-advisories/cve-2023-3406

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