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CVE-2019-15949

8.8
HIGHCVSS v3.1 Base Score
86.92%
HIGH RiskEPSS (99th percentile)
KEV

Nagios XI before 5.6.6 allows remote command execution as root. The exploit requires access to the server as the nagios user, or access as the admin user via the web interface. The getprofile.sh script, invoked by downloading a system profile (profile.php?cmd=download), is executed as root via a passwordless sudo entry; the script executes check_plugin, which is owned by the nagios user. A user logged into Nagios XI with permissions to modify plugins, or the nagios user on the server, can modify the check_plugin executable and insert malicious commands to execute as root.

Published: 9/5/2019
Modified: 11/6/2025
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Nagios XI Remote Code Execution Vulnerability

Vendor / Product:

Nagios Nagios XI

Required Action:

Apply updates per vendor instructions.

Due Date: 5/3/2022(OVERDUE)
Added to KEV:

11/3/2021

Notes:

https://nvd.nist.gov/vuln/detail/CVE-2019-15949

Vulnerability Summary

CVSS v3 Score

8.8HIGH

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

CVSS v2 Score

9

AV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS Score (Exploitation Probability)

86.92%HIGH Exploitation Risk
99th percentile

This vulnerability has a 86.92% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.

CWE Classification

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