CVE-2025-34134CWE-78command-injection

CVE-2025-34134

High · published October 31, 2025

CVSS v3.1
7.2
EPSS
2%
Percentile
83.9
In the wild
Unconfirmed
What it is

🚨 An authenticated admin can unwittingly set off a code execution chain reaction in Nagios XI. It's like giving a high-tech chef the keys to a restaurant kitchen but failing to check if they know how to cook! 🔥 Think of it like a restaurant where the head chef can approve new recipes without anyone checking if the ingredients are safe. If a rogue recipe sneaks in, it could lead to a catastrophic dining disaster—just as this vulnerability allows an admin to create malicious files in the webroot without proper validation. An attacker could exploit this vulnerability to execute arbitrary commands with the same privileges as the web application. This means they could gain full control of the underlying operating system, potentially leading to data breaches, service disruptions, or worse! The implications are absolutely devastating and should be addressed immediately to safeguard your infrastructure.

Put simply

Think of it like a restaurant where the head chef can approve new recipes without anyone checking if the ingredients are safe. If a rogue recipe sneaks in, it could lead to a catastrophic dining disaster—just as this vulnerability allows an admin to create malicious files in the webroot without proper validation. This remote code execution vulnerability arises from insufficient validation and sanitization of administrator-controlled configuration parameters in Nagios XI's Business Process Intelligence (BPI) component. It allows an authenticated admin to create or overwrite files, which can then be executed by the web application.

What to do

An attacker could exploit this vulnerability to execute arbitrary commands with the same privileges as the web application. This means they could gain full control of the underlying operating system, potentially leading to data breaches, service disruptions, or worse! The implications are absolutely devastating and should be addressed immediately to safeguard your infrastructure. Upgrade Nagios XI to version 2024R1.4.2 or later immediately. Review and sanitize any existing BPI configuration parameters, especially 'bpi_logfile' and 'bpi_configfile', to ensure they do not point to executable files. Regularly audit your application configurations to enhance security moving forward. You've got this! Take action now, and you'll bolster your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02405 · 83.9th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-10-31T02:15Z
Affected products (20)
ProductVersionsFixed in
nagios/nagios_xi< 20242024
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References (3)
EPSS history
Timeline
  • 30 OCT 21:41Z
    Nagios XI < 2024R1.4.2 RCE via Business Process Intelligence (BPI)
    cvelistv5