The IP filter in ABAP Platform and SAP Web Dispatcher - versions WEBDISP 7.85, 7.89, KERNEL 7.85, 7.89, 7.91, may be vulnerable by erroneous IP netmask handling. This may enable access to backend applications from unwanted sources.
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html