Moodle is vulnerable to sensitive course information disclosure. The disclosure is possible because users with suspended enrollments are not limited from viewing the course structure in the navigation tree.
git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49788
openwall.com/lists/oss-security/2015/05/18/1
www.securityfocus.com/bid/74729
www.securitytracker.com/id/1032358
git.moodle.org/gw?p=moodle.git;a=commit;h=8b4568500b305f7ddedbca355b73ce34ea4afbc0
moodle.org/mod/forum/discuss.php?d=313687