Nagios XI < 5.8 Privilege Escalatioon

critical Nessus Plugin ID 150057
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The remote host has a web application affected by a privilege escalation vulnerability.


Creation of a Temporary Directory with Insecure Permissions in Nagios XI 5.7.5 and earlier allows for Privilege Escalation via creation of symlinks, which are mishandled in

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 5.8.0 or above.

See Also

Plugin Details

Severity: Critical

ID: 150057

File Name: nagiosxi_5_8.nasl

Version: 1.2

Type: remote

Family: CGI abuses

Published: 5/28/2021

Updated: 5/31/2021

Dependencies: nagios_enterprise_detect.nasl

Risk Information

CVSS Score Source: CVE-2020-28910


Risk Factor: Medium

Score: 6.7


Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

Temporal Vector: E:POC/RL:OF/RC:C


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:nagios:nagios_xi

Required KB Items: installed_sw/nagios_xi

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/8/2020

Vulnerability Publication Date: 6/8/2020

Reference Information

CVE: CVE-2020-28910

IAVB: 2021-B-0030