Multiple incorrect access control issues in EasyVirt DCScope <= 8.6.0 and CO2Scope <= 1.3.0 allows remote authenticated attackers, with low privileges, to (1) add an admin user via the /api/user/addalias route; (2) modifiy a user via the /api/user/updatealias route; (4) delete users via the /api/user/delalias route; (4) get users via the /api/user/aliases route; (5) add a root group via the /api/user/adduser route; (6) modifiy a group via the /api/user/updateuser route; (7) delete a group via the /api/user/deluser route; (8) get groups via the /api/user/users route; (9) add an admin role via the /api/user/addrole route; (10) modifiy a role via the /api/user/updaterole route; (11) delete a role via the /api/user/delrole route; (12) get roles via the /api/user/roles route.