is confluence atlassian version 5.1.3 using BAD version of Log4j, if yes please share the plan to upgrade to 2.16 or 2.17.
on server we could find below jars in our installation path.
./confluence-5.1.3-prd/confluence/WEB-INF/lib/slf4j-log4j12-1.6.4.jar
./confluence-5.1.3-prd/confluence/WEB-INF/lib/log4j-1.2.15.jar