CVE-2025-49643CWE-405

CVE-2025-49643

Medium · published December 1, 2025

CVSS v3.1
6.5
EPSS
0%
Percentile
26.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00340 · 26.2th percentile
Weakness
CWE-405 · Asymmetric Resource Consumption (Amplification)
Published
2025-12-01T19:16Z
Affected products (4)
ProductVersionsFixed in
zabbix/frontend≥ 6.0.0, < 6.0.426.0.42
zabbix/frontend≥ 7.0.0, < 7.0.197.0.19
zabbix/frontend≥ 7.2.0, < 7.2.137.2.13
zabbix/frontend≥ 7.4.0, < 7.4.37.4.3
References (1)
https://support.zabbix.com/browse/ZBX-27284 · [email protected]
EPSS history
Timeline
  • 01 DEC 13:05Z
    Frontend DoS vulnerability due to asymmetric resource consumption
    cvelistv5