Multiple cross-site request forgery (CSRF) vulnerabilities in the Seagate BlackArmor NAS 220 devices with firmware sg2000-2000.1331 allow remote attackers to hijack the authentication of administrators for requests that (1) add user accounts via a crafted request to admin/access_control_user_add.php; (2) modify or (3) delete user accounts; (4) perform a factory reset; (5) perform a device reboot; or (6) add, (7) modify, or (8) delete shares and volumes.