Zabbix 6.0.x < 6.0.42 / 7.0.x < 7.0.19 / 7.2.x < 7.2.13 / 7.4.x < 7.4.3 DoS (ZBX-27284)

The version of Zabbix Server installed on the remote host is affected by a vulnerability. An authenticated Zabbix user including Guest is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service. Note...

The vulnerability of the imgstore.php script in the Zabbix IT infrastructure monitoring system allows a attacker to cause a service failure.

The vulnerability of the imgstore.php script in the Zabbix IT infrastructure monitoring system is related to uncontrolled resource consumption. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

EUVD-2025-199985

An authenticated Zabbix user including Guest is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service...

CVE-2025-49643 Frontend DoS vulnerability due to asymmetric resource consumption

An authenticated Zabbix user including Guest is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service...

Zabbix 安全漏洞

Zabbix is an open source monitoring system from Zabbix. The system supports network monitoring, server monitoring, cloud monitoring, and application monitoring. A security vulnerability exists in Zabbix, which originates from the fact that an authenticated user can cause an excessive CPU load by...

CVE-2025-49643: Asymmetric Resource Consumption (Amplification)

An authenticated Zabbix user including Guest is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service...