CVE-2023-5523
M-Files Web Companion allows Remote Code Execution
CVE-2023-5523 is a high vulnerability (CVSS 8.6) 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 0.34%, the 28th percentile. No source names a fixed version.
- Severity
- 8.6 HighCVSS 3.1, CVE List
- Exploit chance
- 0.34%EPSS, 28th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
CVE List Score used
M-Files Web Companion allows Remote Code Execution
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
- Record
CVE-2023-5523- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-829
- Updated
- 2026-11-02
EUVDEUVD-2023-57836
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
- Record
EUVD-2023-57836- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-94xm-wg2w-cvfq
Execution of downloaded content flaw in M-Files Web Companion before release version 23.10 and...
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
- Record
GHSA-94xm-wg2w-cvfq- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-829
- Updated
- 2026-11-02
NVD
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
- Record
CVE-2023-5523- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-829
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.