Description
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.
Scores
CVSS v3
7.8
EPSS
0.0003
EPSS Percentile
7.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-250
Status
published
Products (1)
nagios/nagios_xi
< 5.5.7
Published
Oct 30, 2025
Tracked Since
Feb 18, 2026