CVE-2025-49643

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.
Amplification
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
Affected Products (NVD)
VendorProductVersion
zabbixfrontend
6.0.0 ≤
𝑥
< 6.0.42
zabbixfrontend
7.0.0 ≤
𝑥
< 7.0.19
zabbixfrontend
7.2.0 ≤
𝑥
< 7.2.13
zabbixfrontend
7.4.0 ≤
𝑥
< 7.4.3
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
zabbix
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
dne
plucky
ignored
questing
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://support.zabbix.com/browse/ZBX-27284