Jeecg-Boot is a low code development platform based on code generator. It separates the front end from the back end, develops and deploys quickly, and helps enterprises achieve agile development. There is a remote code execution vulnerability in the Jeecg-Boot testConnection interface, which allows an attacker to execute remote code through the JDBC external connection server. This rule supports to defend the A6: Vulnerabe and Outdated Components of OWASP Top 10 - 2021. Other reference:None