CVE-2025-13008
📋 TL;DR
An authenticated attacker using M-Files Web can capture session tokens of other active users, potentially allowing impersonation and unauthorized access to sensitive data. This affects organizations running vulnerable versions of M-Files Server with authenticated web access.
💻 Affected Systems
- M-Files Server
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains full access to all user accounts and sensitive documents, leading to data theft, privilege escalation, and complete system compromise.
Likely Case
Attacker accesses confidential documents and performs unauthorized actions under stolen identities, causing data breaches and compliance violations.
If Mitigated
Limited impact due to network segmentation, strong authentication controls, and monitoring that detects unusual session activity.
🎯 Exploit Status
Exploitation requires authenticated access to M-Files Web. The vulnerability is in session token handling.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 25.12.15491.7, 25.8 LTS SR3, 25.2 LTS SR3, or 24.8 LTS SR5
Vendor Advisory: https://product.m-files.com/security-advisories/cve-2025-13008
Restart Required: Yes
Instructions:
1. Download the appropriate patched version from M-Files. 2. Backup your M-Files Server. 3. Install the update following vendor instructions. 4. Restart the M-Files Server service.
🔧 Temporary Workarounds
Restrict M-Files Web Access
allLimit access to M-Files Web to trusted networks only, reducing attack surface.
Configure firewall rules to restrict access to M-Files Web ports (typically 443/HTTPS) to authorized IP ranges only.
Enforce Session Timeouts
windowsReduce session token validity period to limit exposure window.
In M-Files Admin, navigate to Authentication settings and set shorter session timeout values (e.g., 15-30 minutes).
🧯 If You Can't Patch
- Implement network segmentation to isolate M-Files Server from untrusted networks.
- Enable detailed logging and monitoring for unusual session activity and token reuse.
🔍 How to Verify
Check if Vulnerable:
Check M-Files Server version in M-Files Admin console under Help > About. Compare against affected versions.Check Version:
In M-Files Admin, go to Help > About to view version details.Verify Fix Applied:
Confirm version is 25.12.15491.7, 25.8 LTS SR3, 25.2 LTS SR3, or 24.8 LTS SR5 or later in M-Files Admin.📡 Detection & Monitoring
Log Indicators:
- Multiple session tokens from same IP/user in short time
- Unusual session creation patterns
- Access from unexpected locations
Network Indicators:
- Abnormal HTTP requests to session-related endpoints in M-Files Web
SIEM Query:
source="m-files" AND (event="session_token" OR event="authentication") | stats count by src_ip, user | where count > threshold