CVE-2018-17148

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-06-19 · updated 2026-06-17
Weakness: CWE-284

Description

An Insufficient Access Control vulnerability (leading to credential disclosure) in coreconfigsnapshot.php (aka configuration snapshot page) in Nagios XI before 5.5.4 allows remote attackers to gain access to configuration files containing confidential credentials.

Affected products

Nagios XI: before 5.5.4 — fixed in 5.5.4

How to fix

Upgrade to a fixed version: Nagios XI 5.5.4. Check the vendor advisory for mitigations.

References

https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT

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