The web-based, community driven Automotive Security Research Group Threat Catalog provides reusable feasibility ratings which can be distributed via the openXSAM format.
More information on the ASRG Threat Catalog can be found at
https://garage.asrg.io/threat-catalog/ and in the chapter
Catalogs.
A knowledge base about ISO/SAE 21434 methodology, general security analysis processes and norms can be found at https://www.security-analyst.org.
If you have questions or need additional support please reach out to security-analyst@itemis.de.