In OpenEdge Authentication Gateway and AdminServer prior to 11.7.19, 12.2.14, 12.8.1 on all platforms supported by the OpenEdge product, an authentication bypass vulnerability has been identified. The vulnerability is a bypass to authentication based on a failure to properly handle username and password. Certain unexpected content passed into the credentials can lead to unauthorized access without proper authentication.
https://securityaffairs.com/160347/hacking/progress-software-openedge-critical-flaw.html