SAP Enterprise Portal with EP-RUNTIME component versions 7.30, 7.31, 7.40, and 7.50 suffer from an open redirection vulnerability.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/165748/ONAPSIS-2021-0024.txt
Source: https://packetstormsecurity.com/files/165748/SAP-Enterprise-Portal-Open-Redirect.html