4.0.0 org.springframework.boot spring-boot-starter-parent 2.4.3 com.example cve_2020_27223 0.0.1-SNAPSHOT cve_2020_27223 CVE-2020-27223 Sample Application 1.8 org.springframework.boot spring-boot-starter-web 2.4.3 org.springframework.boot spring-boot-starter-tomcat org.springframework.boot spring-boot-starter-jetty 2.4.3 org.eclipse.jetty jetty-http org.eclipse.jetty jetty-http 9.4.36.v20210114 org.springframework.boot spring-boot-maven-plugin