CVE-2025-49643 MEDIUM

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

Vendor Zabbix
Product Zabbix
Weakness CWE-405
Published December 1, 2025
Last update December 1, 2025
View on NVD All CVEs

CVSS base score

6.0/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 1, 2025 CVE published
December 1, 2025 Record updated