CVE-2019-9166

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-28 · updated 2026-06-17
Weakness: CWE-732

Description

Privilege escalation in Nagios XI before 5.5.11 allows local attackers to elevate privileges to root via write access to config.inc.php and import_xiconfig.php.

Affected products

Nagios XI: before 5.5.11 — fixed in 5.5.11

How to fix

Upgrade to a fixed version: Nagios XI 5.5.11. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/152496/Nagios-XI-5.5.10-XSS-Remote-Code-Execution.html
https://www.nagios.com/downloads/nagios-xi/change-log/
https://www.nagios.com/products/security/
http://packetstormsecurity.com/files/152496/Nagios-XI-5.5.10-XSS-Remote-Code-Execution.html
https://www.nagios.com/downloads/nagios-xi/change-log/
https://www.nagios.com/products/security/

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