This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening.
This signature detects the attempt to exploit Deserialization Privilege Escalation vulnerability on the affected machine.
TYPO3 is vulnerable to Deserialization Privilege Escalation attack. Successfully exploiting these issues will allow attackers to execute arbitrary PHP code on the underlying system as authenticated user.
- TYPO3 8.x through 8.7.26 and 9.x through 9.5.7.