CheckUser in ScadaServerEngine/MainLogic.cs in Rapid SCADA through 5.8.4 allows an empty password.

In Rapid Software LLC's Rapid SCADA versions prior to Version 5.8.4, an attacker can append path traversal characters to the filename when using a specific command, allowing them to read arbitrary files from the system.

In Rapid Software LLC's Rapid SCADA versions prior to Version 5.8.4, an authorized user can write directly to the Scada directory. This may allow privilege escalation.

In Rapid Software LLC's Rapid SCADA versions prior to Version 5.8.4, the affected product stores plaintext credentials in various places. This may allow an attacker with local access to see them.

In Rapid Software LLC's Rapid SCADA versions prior to Version 5.8.4, the affected product responds back with an error message containing sensitive data if it receives a specific malformed request.

In Rapid Software LLC's Rapid SCADA versions prior to Version 5.8.4, an attacker can redirect users to malicious pages through the login page.

In Rapid Software LLC's Rapid SCADA versions prior to Version 5.8.4, the product uses hard-coded credentials, which may allow an attacker to connect to a specific port.

In Rapid Software LLC's Rapid SCADA versions prior to Version 5.8.4, an attacker can supply a malicious configuration file by utilizing a Zip Slip vulnerability in the unpacking routine to achieve remote code execution.