Frontend DoS vulnerability due to asymmetric resource consumption_CVE-2025-49643

6 / 10

MEDIUM

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

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.

Basic Information

ID CVE-2025-49643

Source Zabbix

Published Dec 1, 2025 at 13:05

Modified Dec 1, 2025 at 14:34

Affected Product

Vendor Zabbix

Product Zabbix

Version 6.0.0

Affected Versions Zabbix Zabbix 6.0.0
Zabbix Zabbix 7.0.0
Zabbix Zabbix 7.2.0
Zabbix Zabbix 7.4.0

CWE Classification

CWE-405

References

support.zabbix.com /browse/ZBX-27284

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