Comprehensive listing of User Context Gateway info.
Web Agent 12.52SP1CR09+
You may find the UCG binaries here :
User Context Gateway for CA Single Sign-On
https://support.broadcom.com/external/content/release-announcements/CA-Global-Delivery-Packaged-Work-Product-Download-Index/4800
Review the Support Matrix and insure that all you're components are
supported :
User Context Gateway for CA Single Sign-On
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/release-announcements/Layer7-SiteMinder-previously-CA-SSO-platform-support-matrices/6578
CA SiteMinder Family of Products Informational Documentation Index
https://techdocs.broadcom.com/us/product-content/recommended-reading/technical-document-index/ca-siteminder-informational-documentation-index.html
User Context Gateway documentation:
https://ftpdocs.broadcom.com/WebInterface/phpdocs/7/5262/User_Context_Gateway_14.pdf