CVE-2019-9166

Name: CVE-2019-9166
Creator: NVD / NIST
Published: 2019-03-28T20:29:01.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2019-9166 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.24%

65.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Nagios	Nagios Xi	< 5.5.11

References

http://packetstormsecurity.com/files/152496/Nagios-XI-5.5.10-XSS-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
https://www.nagios.com/downloads/nagios-xi/change-log/Product, Release Notes, Vendor Advisory
https://www.nagios.com/products/security/Vendor Advisory
http://packetstormsecurity.com/files/152496/Nagios-XI-5.5.10-XSS-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
https://www.nagios.com/downloads/nagios-xi/change-log/Product, Release Notes, Vendor Advisory
https://www.nagios.com/products/security/Vendor Advisory

Timeline

Published: Mar 28, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-9166?

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.

How severe is CVE-2019-9166?

CVE-2019-9166 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2019-9166?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-9166?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST