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M Files ServerApplication · M Files

CVE-2025-11681

MEDIUM · 6.5 CVSS v3.1 Published 2025-11-17
Fix available
A fix is available. Upgrade to 25.2.14524.13 / 25.8.15085.17 or later.
See remediation →
71/100
Remediation priority · Elevated
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Denial-of-service condition in M-Files Server versions before 25.11.15392.1, before 25.2 LTS SR2 and before 25.8 LTS SR2 allows an authenticated user to cause the MFserver process to crash.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

A denial-of-service vulnerability in M-Files Server allows authenticated users to crash the MFserver process by triggering an unspecified condition. The vulnerability affects versions before 25.11.15392.1, before 25.2 LTS SR2, and before 25.8 LTS SR2.

MitigationUpgrade M-Files Server to version 25.11.15392.1 or later, 25.2 LTS SR2 or later, or 25.8 LTS SR2 or later. Since authenticated access is required, ensure least-privilege access controls are in place for user accounts.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
M Files ServerApplication
Affected:< 25.2.14524.13< 25.11.15392.1>= 25.8.15085.13, < 25.8.15085.17

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Find M-Files Server version
    Open M-Files Admin, navigate to the server vault properties, or check the About section in the M-Files admin tool. Alternatively, check the Windows Programs and Features list for installed M-Files Server version.
    Affected if The installed version is less than 25.2.14524.13, less than 25.11.15392.1, or between 25.8.15085.13 and 25.8.15085.16 inclusive.
  2. Confirm MFserver process is running
    Open Windows Task Manager or run 'tasklist | findstr MFserver' in Command Prompt to check if the MFserver.exe process is active.
    Affected if The MFserver process is running and the version from step 1 is in the affected ranges.
  3. Check user authentication configuration
    In M-Files Admin, examine the authentication methods enabled under Vault Settings > Authentication. Verify if user accounts or external authentication sources (such as Active Directory) are configured.
    Affected if User authentication is enabled, meaning an authenticated user could potentially trigger the vulnerability.
  4. Verify MFserver is not currently crashed
    Check Windows Event Viewer under Application logs for recent M-Files crash events, or attempt to access M-Files client to confirm server responsiveness.
    Affected if MFserver has recently crashed or is unresponsive, and the version is in the affected range.

You are affected if M-Files Server is running a version that falls within the affected ranges AND authenticated user access is possible.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 25.2.14524.13 / 25.8.15085.17 / 25.11.15392.1 or later
Fixed in 25.2.14524.1325.8.15085.1725.11.15392.1
Interim mitigation

Upgrade M-Files Server to version 25.11.15392.1 or later, 25.2 LTS SR2 or later, or 25.8 LTS SR2 or later. Since authenticated access is required, ensure least-privilege access controls are in place for user accounts.

Recommended fix High confidence

25.2 LTS SR2 (25.2.14524.13), 25.8 LTS SR2 (25.8.15085.17), or 25.11.15392.1 depending on your release branch

  1. 1. Identify the current M-Files Server version by checking the M-Files Server Admin UI or using M-Files Admin tools
  2. 2. Determine which release branch you are currently on (25.2 LTS, 25.8 LTS, or 25.11)
  3. 3. For 25.2 LTS users: upgrade to version 25.2.14524.13 or later (25.2 LTS SR2)
  4. 4. For 25.8 LTS users: upgrade to version 25.8.15085.17 or later (25.8 LTS SR2)
  5. 5. For 25.11 users: upgrade to version 25.11.15392.1 or later
  6. 6. After upgrade, verify the MFserver process is running correctly and test normal operations
Caveat Review M-Files release notes for any breaking changes between your current version and the target SR2 release before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in M Files Server Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing4.0 h
  • Review / QA2.0 h
13.0 hours of engineering $2,280
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-11681 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data