CVE-2025-47707
📋 TL;DR
This vulnerability allows attackers to bypass multi-factor authentication in Drupal Enterprise MFA - TFA modules, potentially gaining unauthorized access to protected accounts. It affects Drupal sites using these specific MFA modules within the vulnerable version ranges.
💻 Affected Systems
- Drupal Enterprise MFA - TFA for Drupal
📦 What is this software?
Miniorange 2fa by Miniorange
Miniorange 2fa by Miniorange
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access to Drupal sites, leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Unauthorized users bypass MFA to access user accounts with elevated privileges, potentially modifying content or accessing sensitive data.
If Mitigated
With proper network segmentation and monitoring, impact is limited to the Drupal application layer with detection of anomalous authentication attempts.
🎯 Exploit Status
Authentication bypass typically requires some initial access or knowledge of the system, but the vulnerability itself is straightforward to exploit once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.7.0 or 5.2.0
Vendor Advisory: https://www.drupal.org/sa-contrib-2025-053
Restart Required: No
Instructions:
1. Update the Enterprise MFA - TFA module to version 4.7.0 (for 4.x branch) or 5.2.0 (for 5.x branch). 2. Clear Drupal caches. 3. Test MFA functionality.
🔧 Temporary Workarounds
Disable vulnerable module
linuxTemporarily disable the Enterprise MFA - TFA module until patching is possible
drush pm:disable enterprise_mfa_tfa
🧯 If You Can't Patch
- Implement network-level controls to restrict access to Drupal admin interfaces
- Enable detailed authentication logging and monitor for MFA bypass attempts
🔍 How to Verify
Check if Vulnerable:
Check module version via Drupal admin interface or using 'drush pm:list | grep enterprise_mfa_tfa'Check Version:
drush pm:list --fields=name,version | grep enterprise_mfa_tfaVerify Fix Applied:
Confirm module version is 4.7.0+ or 5.2.0+ and test MFA authentication flow📡 Detection & Monitoring
Log Indicators:
- Authentication attempts without MFA challenge
- Multiple failed MFA attempts followed by successful login
- User privilege escalation without MFA verification
Network Indicators:
- Unusual authentication patterns to /user/login endpoints
- Requests bypassing expected MFA endpoints
SIEM Query:
source="drupal" AND (event_type="authentication" AND mfa_status="bypassed") OR (event_type="privilege_escalation" AND mfa_required="true")