CVE-2025-47710
📋 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 vulnerable versions of the Enterprise MFA - TFA modules. The vulnerability stems from an authentication bypass using alternate paths or channels.
💻 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
Attackers bypass MFA to access user accounts with elevated privileges, potentially modifying content, stealing sensitive data, or performing lateral movement.
If Mitigated
With proper network segmentation and monitoring, impact is limited to the affected Drupal instance with quick detection of unauthorized access attempts.
🎯 Exploit Status
Exploitation requires understanding of Drupal authentication flow and MFA bypass techniques. No public exploit code available at advisory publication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.7.0 or 5.2.0
Vendor Advisory: https://www.drupal.org/sa-contrib-2025-056
Restart Required: No
Instructions:
1. Update Enterprise MFA - TFA module to version 4.7.0 (for 4.x branch) or 5.2.0 (for 5.x branch). 2. Use Drupal's update manager or Composer: 'composer update drupal/enterprise_mfa_tfa'. 3. Clear Drupal caches after update.
🔧 Temporary Workarounds
Disable Enterprise MFA - TFA Module
allTemporarily disable the vulnerable module until patching is possible
drush pm:disable enterprise_mfa_tfa
Implement Web Application Firewall Rules
allBlock suspicious authentication bypass attempts at WAF level
🧯 If You Can't Patch
- Implement network segmentation to isolate Drupal instance from critical systems
- Enable detailed authentication logging and monitor for MFA bypass attempts
🔍 How to Verify
Check if Vulnerable:
Check installed module version via Drupal admin interface at /admin/modules or using Drush: '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 functionality works correctly📡 Detection & Monitoring
Log Indicators:
- Authentication attempts without MFA challenge
- Multiple failed login attempts followed by successful login without MFA
- Unusual user agent strings in authentication requests
Network Indicators:
- HTTP requests to authentication endpoints with unusual parameters
- Traffic patterns showing authentication bypass attempts
SIEM Query:
source="drupal" AND (event_type="authentication" AND mfa_status="bypassed") OR (http_request LIKE "%enterprise_mfa_tfa%" AND response_code=200)