CVE-2023-5524

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

Severity Score

7.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

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

Lista negra insuficiente en M-Files Web Companion antes de la versión 23.10 y en las versiones de lanzamiento del servicio LTS anteriores a 23.8 LTS SR1 permite la ejecución remota de código a través de tipos de archivos específicos

*Credits: Anton Keskisaari / Second Nature Security

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2023-10-11 CVE Reserved
2023-10-20 CVE Published
2024-08-28 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

CAPEC-253: Remote Code Inclusion

References (2)

URL	Tag	Source
https://product.m-files.com/security-advisories/cve-2023-5524

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.m-files.com/about/trust-center/security-advisories/cve-2023-5524	2023-10-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
M-files Search vendor "M-files"		Web Companion Search vendor "M-files" for product "Web Companion"				< 23.8 Search vendor "M-files" for product "Web Companion" and version " < 23.8"		lts		Affected
M-files Search vendor "M-files"		Web Companion Search vendor "M-files" for product "Web Companion"				>= 23.3 < 23.10 Search vendor "M-files" for product "Web Companion" and version " >= 23.3 < 23.10"		-		Affected
M-files Search vendor "M-files"		Web Companion Search vendor "M-files" for product "Web Companion"				23.8 Search vendor "M-files" for product "Web Companion" and version "23.8"		lts		Affected