CVE-2025-11344
📋 TL;DR
This vulnerability in ILIAS learning management system allows remote attackers to execute arbitrary code through the Certificate Import Handler component. It affects ILIAS installations up to versions 8.23, 9.13, and 10.1. Attackers can exploit this without authentication to potentially take full control of affected systems.
💻 Affected Systems
- ILIAS Learning Management System
📦 What is this software?
Ilias by Ilias
Ilias by Ilias
Ilias by Ilias
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attacker to execute arbitrary commands, steal sensitive data, install malware, or pivot to other systems in the network.
Likely Case
Remote code execution leading to web shell installation, data exfiltration, or service disruption of the ILIAS platform.
If Mitigated
Limited impact if proper network segmentation, web application firewalls, and least privilege principles are implemented.
🎯 Exploit Status
The vulnerability is documented with technical details and exploitation methods in public research blogs.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.24, 9.14, or 10.2
Vendor Advisory: https://docu.ilias.de/go/blog/15821/882
Restart Required: Yes
Instructions:
1. Backup your ILIAS installation and database. 2. Download the patched version (8.24, 9.14, or 10.2) from the official ILIAS website. 3. Follow the ILIAS upgrade documentation for your version. 4. Restart the web server service. 5. Verify the upgrade was successful.
🔧 Temporary Workarounds
Disable Certificate Import Handler
allTemporarily disable the vulnerable Certificate Import Handler component if immediate patching isn't possible.
# Modify ILIAS configuration to disable certificate import functionality
# Consult ILIAS documentation for component-specific disable instructions
Web Application Firewall Rules
linuxImplement WAF rules to block malicious requests targeting the certificate import endpoint.
# Example mod_security rule: SecRule REQUEST_URI "@contains /path/to/certificate/import" "deny,status:403"
🧯 If You Can't Patch
- Implement strict network access controls to limit access to ILIAS administration interfaces.
- Deploy intrusion detection systems to monitor for exploitation attempts and unusual process execution.
🔍 How to Verify
Check if Vulnerable:
Check your ILIAS version via the administration interface or by examining the ILIAS installation files for version information.Check Version:
# Check ILIAS version via CLI if file access is available: grep -r 'ilias_version' /path/to/ilias/installation/Verify Fix Applied:
After upgrading, verify the version number in the ILIAS administration panel matches 8.24, 9.14, or 10.2 or higher.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to certificate import endpoints
- Unexpected process execution from web server user
- Error logs showing certificate import failures followed by command execution attempts
Network Indicators:
- HTTP requests containing suspicious payloads in certificate import parameters
- Outbound connections from ILIAS server to unknown external IPs
SIEM Query:
source="web_server_logs" AND (uri_path="*certificate*import*" AND (method="POST" OR method="PUT") AND status_code=200)