CVE-2024-55354
📋 TL;DR
This vulnerability in Lucee CFML engine allows attackers who can place files on the server to bypass security protections and execute arbitrary code. It affects Lucee installations where attackers have file upload capabilities. The vulnerability enables access to resources that should be protected by Lucee's security mechanisms.
💻 Affected Systems
- Lucee CFML Engine
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise allowing remote code execution, data exfiltration, and lateral movement within the network.
Likely Case
Unauthorized code execution leading to web application compromise, data manipulation, and potential privilege escalation.
If Mitigated
Limited impact if file upload capabilities are restricted and proper access controls are implemented.
🎯 Exploit Status
Exploitation requires file placement capability plus knowledge of the protection bypass mechanism.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Lucee 5.4.7.3 LTS or 6.1.1.118
Vendor Advisory: https://dev.lucee.org/t/lucee-cve-2024-55354-security-advisory-april-2025/14963
Restart Required: Yes
Instructions:
1. Backup your Lucee installation and configuration. 2. Download the patched version from lucee.org. 3. Replace the existing Lucee installation with the patched version. 4. Restart the Lucee service/application server. 5. Verify the version is updated.
🔧 Temporary Workarounds
Restrict File Upload Capabilities
allLimit or disable file upload functionality to prevent attackers from placing files on the server.
Implement File System Permissions
linuxSet strict file system permissions to prevent unauthorized file writes to Lucee directories.
chmod 750 /path/to/lucee/directories
chown lucee:lucee /path/to/lucee/directories
🧯 If You Can't Patch
- Implement strict file upload validation and sanitization
- Deploy web application firewall with RCE protection rules
🔍 How to Verify
Check if Vulnerable:
Check Lucee version via admin interface or by examining lucee-server.xml file for version information.Check Version:
Check Lucee admin interface at /lucee/admin/server.cfm or examine /WEB-INF/lucee/lucee-server.xmlVerify Fix Applied:
Confirm version is 5.4.7.3 LTS or higher for Lucee 5, or 6.1.1.118 or higher for Lucee 6.📡 Detection & Monitoring
Log Indicators:
- Unusual file writes to Lucee directories
- Execution of unexpected CFML files
- Security bypass attempts in application logs
Network Indicators:
- Unusual outbound connections from Lucee server
- Requests to unexpected CFML endpoints
SIEM Query:
source="lucee.log" AND ("file.write" OR "security.bypass" OR "unauthorized.execution")