CVE-2018-25123 HIGH

CVE-2018-25123: Nagios XI < 5.5.7 Privilege Escalation via MRTG Graphing Component

Vendor Nagios
Product XI
Weakness CWE-250
Published October 30, 2025
Last update November 17, 2025
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 30, 2025 CVE published
November 17, 2025 Record updated