CVE-2023-5524
M-Files Web Companion allows Remote Code Execution for some filetypes
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
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
M-Files Web Companion allows Remote Code Execution for some filetypes
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
- Record
CVE-2023-5524- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
EUVDEUVD-2023-57837
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
- Record
EUVD-2023-57837- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r2vj-428g-v68v
Insufficient blacklisting in M-Files Web Companion before release version 23.10 and LTS Service...
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
- Record
GHSA-r2vj-428g-v68v- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
NVD
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
- Record
CVE-2023-5524- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-5524 is a high vulnerability (CVSS 8.2) in Lavasoft Web Companion, published October 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.