CVE-2021-40343

HIGH

Nagios XI <5.8.5 - Privilege Escalation

Title source: llm
STIX 2.1

Description

An issue was discovered in Nagios XI 5.8.5. Insecure file permissions on the nagios_unbundler.py file allow the nagios user to elevate their privileges to the root user.

References (3)

Core 3
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
Not Applicable x_refsource_misc
https://synacktiv.com

Scores

CVSS v3 7.8
EPSS 0.0066
EPSS Percentile 71.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-732
Status published
Products (1)
nagios/nagios_xi 5.8.5
Published Oct 26, 2021
Tracked Since Feb 18, 2026