CVE-2025-48207
📋 TL;DR
The reint_downloadmanager extension for TYPO3 contains an Insecure Direct Object Reference vulnerability that allows attackers to access unauthorized files or data. This affects all TYPO3 installations using the vulnerable extension version. Attackers can exploit this without authentication to retrieve sensitive information.
💻 Affected Systems
- TYPO3 CMS with reint_downloadmanager extension
⚠️ 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
Complete system compromise through sensitive file disclosure, credential theft, or lateral movement to other systems.
Likely Case
Unauthorized access to sensitive files containing configuration data, user information, or proprietary content.
If Mitigated
Limited impact with proper file permissions and network segmentation preventing access to critical systems.
🎯 Exploit Status
IDOR vulnerabilities are typically easy to exploit once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: reint_downloadmanager 5.0.1 or later
Vendor Advisory: https://typo3.org/security/advisory/typo3-ext-sa-2025-004
Restart Required: No
Instructions:
1. Update the reint_downloadmanager extension to version 5.0.1 or later via TYPO3 Extension Manager. 2. Clear all caches in TYPO3 backend. 3. Verify the extension version in Extension Manager.
🔧 Temporary Workarounds
Disable vulnerable extension
allTemporarily disable the reint_downloadmanager extension until patching is possible
typo3cms extension:deactivate reint_downloadmanager
Restrict file access
linuxImplement strict file permissions and access controls on the TYPO3 file system
chmod 640 typo3conf/ext/reint_downloadmanager/
chown www-data:www-data typo3conf/ext/reint_downloadmanager/
🧯 If You Can't Patch
- Implement web application firewall rules to block suspicious file access patterns
- Enable detailed logging and monitoring for file access attempts through the extension
🔍 How to Verify
Check if Vulnerable:
Check the extension version in TYPO3 Extension Manager or via command line: typo3cms extension:list | grep reint_downloadmanagerCheck Version:
typo3cms extension:list | grep reint_downloadmanagerVerify Fix Applied:
Confirm extension version is 5.0.1 or higher and test file access functionality📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns in TYPO3 logs
- Multiple failed file access attempts
- Access to files outside expected download directories
Network Indicators:
- Unusual HTTP requests to download endpoints
- Patterns of sequential file ID requests
SIEM Query:
source="typo3.log" AND ("reint_downloadmanager" OR "download") AND (status="403" OR status="404") | stats count by src_ip