Nagios XI < 5.8.5 Multiple Vulnerabilities

critical Nessus Plugin ID 153612


The remote host has a web application affected by multiple vulnerabilities.


According to the self-reported version of Nagios XI, the remote host is affected by multiple vulnerabilities, including the following:

- A path traversal vulnerability exists in Nagios XI below version 5.8.5 AutoDiscovery component and could lead to post authenticated RCE under security context of the user running Nagios. (CVE-2021-37343)

- Nagios XI before version 5.8.5 is vulnerable to local privilege escalation because xi-sys.cfg is being imported from the var directory for some scripts with elevated permissions. (CVE-2021-37345)

- Nagios XI before version 5.8.5 is vulnerable to SQL injection vulnerability in Bulk Modifications Tool due to improper input sanitisation. (CVE-2021-37350)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Upgrade to Nagios XI 5.8.5 or later.

See Also

Plugin Details

Severity: Critical

ID: 153612

File Name: nagiosxi_5_8_5.nasl

Version: 1.6

Type: combined

Agent: unix

Family: CGI abuses

Published: 9/24/2021

Updated: 6/5/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent, Nessus

Risk Information


Risk Factor: High

Score: 7.4


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-37350


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:nagios:nagios_xi

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/15/2021

Vulnerability Publication Date: 7/15/2021

Exploitable With

Metasploit (Nagios XI Autodiscovery Webshell Upload)

Reference Information

CVE: CVE-2021-33177, CVE-2021-33179, CVE-2021-36363, CVE-2021-36364, CVE-2021-36365, CVE-2021-36366, CVE-2021-37343, CVE-2021-37345, CVE-2021-37347, CVE-2021-37348, CVE-2021-37349, CVE-2021-37350, CVE-2021-37351, CVE-2021-37352

IAVB: 2021-B-0053-S