Insecure DLL loading in Zabbix Agent and Zabbix Agent 2 - CVE-2025-27237
Published: October 6, 2025 / Updated: February 6, 2026
Vulnerability identifier: #VU116619
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-27237
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the application loads OpenSSL configuration file in an insecure manner from a path writable by low-privileged users. A local user can place a malicious file into the corresponding directory and escalate privileges on the system.
Affected software
Zabbix Agent
Zabbix Agent 2
Zabbix Agent 2
How to mitigate CVE-2025-27237
Install updates from vendor's website.
Zabbix Agent - addressed in versions 6.0.41, 7.0.18, 7.2.12, 7.4.2
Zabbix Agent 2 - addressed in versions 6.0.41, 7.0.18, 7.2.12, 7.4.2
Zabbix Agent 2 - addressed in versions 6.0.41, 7.0.18, 7.2.12, 7.4.2