CVE-2025-49643

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
NISTNIST
UNKNOWN
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ZabbixCNA
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CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
zabbix
questing
needs-triage
plucky
needs-triage
noble
dne
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
needs-triage
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://support.zabbix.com/browse/ZBX-27284