CVE-2025-47709
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in Drupal Enterprise MFA - TFA for Drupal that allows forceful browsing. Attackers can bypass authentication controls to access restricted functionality. All Drupal sites using affected versions of the Enterprise MFA - TFA module are vulnerable.
💻 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 could bypass multi-factor authentication entirely, gaining unauthorized administrative access to Drupal sites, potentially leading to complete site compromise and data exfiltration.
Likely Case
Attackers bypass MFA requirements to access user accounts or administrative functions they shouldn't have access to, potentially modifying content or stealing sensitive data.
If Mitigated
With proper network segmentation and additional authentication layers, impact is limited to the specific Drupal instance, but MFA bypass still occurs.
🎯 Exploit Status
Exploitation requires some knowledge of Drupal's URL structure but is technically simple once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.7.0 or 5.2.0
Vendor Advisory: https://www.drupal.org/sa-contrib-2025-055
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. Verify the update was successful.
🔧 Temporary Workarounds
Temporary Access Restriction
allImplement web application firewall rules to block access to vulnerable endpoints
🧯 If You Can't Patch
- Implement network-level access controls to restrict access to Drupal admin interfaces
- Enable additional authentication layers or temporarily disable the MFA module if feasible
🔍 How to Verify
Check if Vulnerable:
Check the installed version of the 'tfa' module in Drupal's Extend page or via drush: drush pm-list | grep tfaCheck Version:
drush pm-list --fields=name,version --format=json | grep -A2 -B2 tfaVerify Fix Applied:
Verify module version is 4.7.0 or higher (for 4.x) or 5.2.0 or higher (for 5.x)📡 Detection & Monitoring
Log Indicators:
- Unusual authentication bypass attempts in Drupal logs
- Access to MFA-related endpoints without proper authentication
Network Indicators:
- HTTP requests to MFA endpoints without preceding authentication requests
SIEM Query:
source="drupal_access_log" AND (uri="/user/*/tfa" OR uri="/admin/config/people/tfa") AND NOT (user_agent CONTAINS "authenticated")