External risk intelligence

Nagios XI WinRM Configuration Wizard Remote Command Execution

CVE advisorySeverity: CRITICAL (CVSS 9.4)

CVE-2024-14008

Nagios XI is a web-based monitoring application that is often deployed with network accessibility. While the specific vulnerability requires authenticated administrator access to a specific configuration wizard, the product's role as a central management interface frequently places it in environments where it is accessible via the network, making exploitation plausible if the interface is exposed.

OS Command Injection

Nagios Xi

before 20242024

Halo Surface Signal: 3 out of 5 — possibly public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A remote command execution vulnerability has been identified in Nagios XI, stemming from insufficient validation of user input within the WinRM Configuration Wizard. This issue allows an authenticated administrator to execute arbitrary commands with the privileges of the Nagios XI web application user.

Allows authenticated users to run commands.
Critical for monitoring systems, investigate exposure.
Confirm if Nagios XI is deployed and accessible.

Attack Path

How an attacker could exploit the issue

An attacker with administrator access could target the WinRM Configuration Wizard within Nagios XI. By supplying specially crafted input, the attacker can manipulate commands executed by the application, leading to unauthorized command execution.

Authenticated administrator access required.
Input validation flaws in WinRM wizard.
Arbitrary command execution possible.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an authenticated administrator to execute arbitrary commands on the Nagios XI server. This occurs when the WinRM Configuration Wizard improperly validates user input, allowing shell metacharacters to be injected into backend commands. The commands would run with the same privileges as the Nagios XI web application user.

System data could be compromised.
Commands injected via vulnerable wizard.
Arbitrary command execution.

Operational Fix

Recommended remediation, mitigation, and detection steps

The WinRM Configuration Wizard in Nagios XI has a remote command execution vulnerability. This impacts authenticated administrators and requires an understanding of where Nagios XI is deployed, who owns it, and its criticality to prioritize remediation. The first practical step is to identify all Nagios XI instances, confirm their reachability and business impact, and then engage the accountable owner for remediation planning.

Identify Nagios XI instances and owners.
Verify reachability and business criticality.
Plan remediation based on risk.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

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Frequently asked questions

What is Nagios XI?

Nagios XI is a centralized, web-based monitoring platform used to track the health, availability, and performance of IT infrastructure. It provides dashboards and alerting for networks, servers, and applications. Because it often manages critical environment components, it is frequently deployed to be accessible across an organization's network to facilitate monitoring tasks.

What is the nature of the CVE-2024-14008 vulnerability?

This vulnerability is classified as Improper Neutralization of Special Elements used in an OS Command, or CWE-78. In plain terms, the application fails to properly sanitize user input provided through its WinRM Configuration Wizard. Because this input is used to build backend commands, an attacker can insert shell metacharacters to alter the intended command, allowing them to execute their own unauthorized instructions on the underlying system.

What triggers the command execution in CVE-2024-14008?

The flaw is triggered when an attacker with existing, authenticated administrator privileges interacts with the WinRM Configuration Wizard. By supplying specifically crafted input into fields within this wizard, the attacker forces the system to run unintended shell commands. Simply accessing the application without valid administrator credentials or interacting with other parts of the platform will not trigger this specific vulnerability.

Is my Nagios XI instance at risk according to Halo Surface Signal?

Halo Surface Signal assigns a 'Possible' risk score here because Nagios XI often functions as a central management interface that is deployed with network accessibility. While the vulnerability requires administrator access, the common practice of exposing such monitoring interfaces to the network increases the chance that an attacker could reach the vulnerable wizard if they compromise an administrative account.

How should I respond to the CVE-2024-14008 advisory?

Begin by auditing your environment to identify all active Nagios XI instances and determine who is responsible for managing them. Assess the network reachability of these instances and evaluate their business criticality to your operations. Once you have a clear inventory, prioritize these assets for remediation, typically by upgrading the software to a patched version provided by the vendor.

References

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.