The replication monitor CGI script (repl-monitor-cgi.pl) in Red Hat Administration Server, as used by Red Hat Directory Server 8.0 EL4 and EL5, allows remote attackers to execute arbitrary commands.
https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00386.html
https://www.redhat.com/archives/fedora-package-announce/2008-April/msg00380.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/41840
https://bugzilla.redhat.com/show_bug.cgi?id=437301