CVE-2024-38874
📋 TL;DR
This vulnerability allows unauthenticated attackers to manipulate events in TYPO3 websites using the events2 extension. Attackers can activate or delete events without proper authorization. This affects TYPO3 installations with vulnerable versions of the events2 extension.
💻 Affected Systems
- TYPO3 events2 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
Attackers could delete or modify all events on the website, causing data loss and disrupting event management functionality.
Likely Case
Attackers tamper with event listings, causing confusion, data integrity issues, and potential reputational damage.
If Mitigated
With proper access controls and patching, the vulnerability is eliminated and event management remains secure.
🎯 Exploit Status
The vulnerability requires no authentication and has simple exploitation vectors.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Events2 extension 8.3.8 or 9.0.6
Vendor Advisory: https://typo3.org/security/advisory/typo3-ext-sa-2024-003
Restart Required: No
Instructions:
1. Update the events2 extension to version 8.3.8 or 9.0.6 via TYPO3 Extension Manager. 2. Clear TYPO3 caches. 3. Verify the update was successful.
🔧 Temporary Workarounds
Disable events2 extension
allTemporarily disable the vulnerable extension until patching is possible
typo3cms extension:deactivate events2
Restrict access to management plugin
allUse web server rules to restrict access to vulnerable endpoints
# Add appropriate .htaccess or nginx rules to block /typo3conf/ext/events2/ paths
🧯 If You Can't Patch
- Implement web application firewall rules to block suspicious requests to events2 endpoints
- Enable detailed logging for events2 plugin access and monitor for unauthorized activity
🔍 How to Verify
Check if Vulnerable:
Check the events2 extension version in TYPO3 Extension Manager or typo3conf/ext/events2/ext_emconf.phpCheck Version:
grep 'version' typo3conf/ext/events2/ext_emconf.phpVerify Fix Applied:
Confirm events2 extension version is 8.3.8 or higher (for 8.x) or 9.0.6 or higher (for 9.x)📡 Detection & Monitoring
Log Indicators:
- Unauthenticated POST/PUT/DELETE requests to events2 management endpoints
- Unexpected event activation/deletion in application logs
Network Indicators:
- HTTP requests to /typo3conf/ext/events2/Controller/ManagementController.php without authentication
SIEM Query:
source="web_access_logs" AND (uri_path="/typo3conf/ext/events2/" OR uri_path="/events2/") AND (http_method="POST" OR http_method="PUT" OR http_method="DELETE") AND NOT user_agent="TYPO3"