CVE-2023-5524highCWE-434

CVE-2023-5524: high-severity vulnerability in M-Files Web Companion

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

Published 20 Oct 2023 · Updated 23 Feb 2026

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.2epss 0.3%

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

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

Affected products

M-Files · Web Companion

Related CVEs — M-Files Web Companion

In the same product, most dangerous first.

CVE-2023-5523HIGHM-Files Web Companion allows Remote Code ExecutionEPSS 0.3%

References

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