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 an attempt to exploit a security-bypass vulnerability in Scrutinizer which may result in remote code execution.
Scrutinizer is a PHP-based web application.
Scrutinizer is prone to a security-bypass vulnerability because it is configured with the user default password for authentication.
Successful attacks can allow an attackers to gain access to the affected application using the default authentication credentials.
According to Plixer, this issue has been acknowledged and patched. The affected version is 9.0.1. The bug has been addressed and resolved in version 9.5. The vulnerable version of this software is no longer available.