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Status published
High
CVE-2023-5523
M-Files Web Companion allows Remote Code Execution
Vulnerability Description
Execution of downloaded content flaw in M-Files Web Companion before release version 23.10 and LTS Service Release Versions before 23.8 LTS SR1 allows Remote Code Execution
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Anton Keskisaari / Second Nature Security
References
More from M-Files
View All →CVE-2023-6239
Incorrect calculation of effective permissions
Medium
5.4
CVE-2023-6189
Improper Permission Handling in M-Files Server
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4.3
CVE-2023-6117
M-Files REST API allows Denial of Service
Medium
5.7
CVE-2023-5524
M-Files Web Companion allows Remote Code Execution for some filetypes
High
8.2
CVE-2023-3425
CVE-2023-3425: Out-of-Bounds memory read
Medium
6.5
Affected Vendor
M-Files
View all reports →Affected Software
Web Companion
Vulnerable Versions:
23.3, 23.8 LTS SR1
Timeline
Official Publish:
October 20th, 2023
Last Modified:
February 23rd, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.