CVE-2025-31693

6.6 MEDIUM

📋 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

Products:
  • Drupal AI (Artificial Intelligence) module
Versions: from 0.0.0 before 1.0.5
Operating Systems: All operating systems running Drupal
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects Drupal sites with the AI module installed and enabled.

📦 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Temporarily disable the vulnerable module until patching is possible

drush pm:disable ai

Restrict module access

all

Apply 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="*$(*")

🔗 References

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