lib/rrd.php in Cacti 1.1.27 allows remote authenticated administrators to execute arbitrary OS commands via the path_rrdtool parameter in an action=save request to settings.php.
{ "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "cacti": "1.1.38+ds1-1" } ] }