Improper Access Control
Affecting org.apache.tomcat:tomcat-catalina artifact, versions [7.35,8.5.5)
org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations.
Affected versions of this package are vulnerable to Improper Access Control.
It did not protect applications from the presence of untrusted client data in the
HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an
org.apache.tomcat:tomcat-catalina to version 8.5.5 or higher.