AlienVault Open Source Security Information Management (OSSIM) 2.1.5, and possibly other versions before 2.1.5-4, allows remote attackers to execute arbitrary commands via shell metacharacters in the uniqueid parameter to (1) wcl.php, (2) storage_graphs.php, (3) storage_graphs2.php, (4) storage_graphs3.php, and (5) storage_graphs4.php in sem/.