CVE-2025-49643

MEDIUM

Zabbix Frontend 6.0.0-6.0.41 - Authenticated Denial of Service via imgstore.php

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0030
EPSS Percentile 21.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-405
Status published
Products (1)
zabbix/frontend 6.0.0 - 6.0.42
Published Dec 01, 2025
Tracked Since Feb 18, 2026