CVE-2025-31693
📋 TL;DR
This OS command injection vulnerability in Drupal AI allows attackers to execute arbitrary operating system commands on the server. It affects Drupal sites using the AI module versions 0.0.0 through 1.0.4. Attackers could potentially take full control of affected servers.
💻 Affected Systems
- Drupal AI (Artificial Intelligence) module
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise leading to data theft, ransomware deployment, lateral movement to other systems, and complete system takeover.
Likely Case
Unauthenticated attackers executing commands to read sensitive files, create backdoors, or disrupt services.
If Mitigated
Limited impact with proper input validation and command sanitization in place.
🎯 Exploit Status
OS command injection vulnerabilities typically have low exploitation complexity once the injection point is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.5
Vendor Advisory: https://www.drupal.org/sa-contrib-2025-022
Restart Required: No
Instructions:
1. Update Drupal AI module to version 1.0.5 via Drupal's update manager or Composer. 2. Clear Drupal caches. 3. Verify the module version is now 1.0.5.
🔧 Temporary Workarounds
Disable AI module
allTemporarily disable the vulnerable module until patching is possible
drush pm:disable ai
Restrict module access
allApply strict access controls to limit who can interact with the AI module
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block command injection patterns
- Apply network segmentation to isolate the Drupal server from critical systems
🔍 How to Verify
Check if Vulnerable:
Check if AI module version is below 1.0.5 via Drupal admin interface or 'drush pm:list' command
Check Version:
drush pm:list | grep ai
Verify Fix Applied:
Confirm AI module version is 1.0.5 or higher
📡 Detection & Monitoring
Log Indicators:
- Unusual system commands in web server logs
- Suspicious process execution from web user context
- Failed command execution attempts
Network Indicators:
- Unexpected outbound connections from web server
- Command and control traffic patterns
SIEM Query:
source="web_logs" AND (command="*;*" OR command="*|*" OR command="*`*" OR command="*$(*")