CVE-2023-5524

HIGH 8.2

M-Files Web Companion allows Remote Code Execution for some filetypes

CVSS Score

8.2

EPSS Score

0.0%

EPSS Percentile

0th

Insufficient blacklisting in M-Files Web Companion before release version 23.10 and LTS Service Release Versions before 23.8 LTS SR1 allows Remote Code Execution via specific file types

CWE	CWE-434
Vendor	m-files
Product	web companion
Published	Oct 20, 2023
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

M-Files / Web Companion

23.3 < 23.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

product.m-files.com: https://product.m-files.com/security-advisories/cve-2023-5524/ empower.m-files.com: https://empower.m-files.com/security-advisories/CVE-2023-5524 m-files.com: https://www.m-files.com/about/trust-center/security-advisories/cve-2023-5524/

Credits

Anton Keskisaari / Second Nature Security