The mysql user parameter configuration script (userparametermysql.conf) in the agent in Zabbix before 2.0.18, 2.2.x before 2.2.13, and 3.0.x before 3.0.3, when used with a shell other than bash, allows context-dependent attackers to execute arbitrary code or SQL commands via the mysql.size parameter.
SQL injection vulnerability in frontends/php/popupbitem.php in Zabbix 1.8.15rc1 and earlier, and 2.x before 2.0.2rc1, allows remote attackers to execute arbitrary SQL commands via the itemid parameter.
Zabbix before 1.8.19rc1, 2.0 before 2.0.10rc1, and 2.2 before 2.2.1rc1 allows remote Zabbix servers and proxies to execute arbitrary commands via a newline in a flexible user parameter.
The Frontend in Zabbix before 1.8.20rc2, 2.0.x before 2.0.11rc2, and 2.2.x before 2.2.2rc1 allows remote "Zabbix Admin" users to modify the media of arbitrary users via unspecified vectors.
The user.login function in Zabbix before 1.8.16 and 2.x before 2.0.5rc1 allows remote attackers to override LDAP configuration via the cnf parameter.
The API in Zabbix before 1.8.20rc1, 2.0.x before 2.0.11rc1, and 2.2.x before 2.2.2rc1 allows remote authenticated users to spoof arbitrary users via the user name in a user.login request.