CVE-2018-25123

Nagios XI versions prior to 5.5.7 contain a privilege escalation vulnerability in the MRTG graphing component. MRTG-related processes/scripts executed with excessive privileges, allowing a local attacker with limited system access to abuse file/command execution paths or writable resources to gain elevated privileges.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.nagios.com/changelog/nagios-xi/	Release Notes
https://www.vulncheck.com/advisories/nagios-xi-privilege-escalation-via-mrtg-graphing-component	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*

History

18 Oct 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Las versiones de Nagios XI anteriores a la 5.5.7 contienen una vulnerabilidad de escalada de privilegios en el componente de gráficos MRTG. Los procesos/scripts relacionados con MRTG ejecutados con privilegios excesivos, permitiendo a un atacante local con acceso limitado al sistema abusar de las rutas de ejecución de archivos/comandos o de recursos escribibles para obtener privilegios elevados.

Information

Published : 2025-10-30 22:15

Updated : 2026-10-18 00:10

NVD link : CVE-2018-25123

Mitre link : CVE-2018-25123

CVE.ORG link : CVE-2018-25123

JSON object : View

Products Affected

nagios

nagios_xi

CWE

CWE-250

Execution with Unnecessary Privileges

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