CVE-2021-40345

HIGH

Nagios XI <5.8.5 - Command Injection

Title source: llm

Description

An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.

Exploits (1)

nomisec WORKING POC
by ArianeBlow · poc
https://github.com/ArianeBlow/NagiosXI-RCE-all-version-CVE-2021-40345

Scores

CVSS v3 7.2
EPSS 0.7456
EPSS Percentile 98.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-77
Status published
Products (1)
nagios/nagios_xi 5.8.5
Published Oct 26, 2021
Tracked Since Feb 18, 2026