CVE-2024-14008
📋 TL;DR
Nagios XI versions before 2024R1.3.2 contain a remote command execution vulnerability in the WinRM Configuration Wizard. Authenticated administrators can inject shell commands through insufficient input validation, allowing arbitrary command execution as the Nagios XI web application user. This affects all Nagios XI installations using versions prior to the patched release.
💻 Affected Systems
- Nagios XI
📦 What is this software?
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
Nagios Xi by Nagios
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise through privilege escalation, data exfiltration, lateral movement, and persistent backdoor installation.
Likely Case
Unauthorized command execution leading to service disruption, configuration changes, and potential credential harvesting.
If Mitigated
Limited impact due to network segmentation, strong authentication controls, and minimal administrator accounts.
🎯 Exploit Status
Exploitation requires administrator credentials but is straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2024R1.3.2
Vendor Advisory: https://www.nagios.com/changelog/nagios-xi/
Restart Required: Yes
Instructions:
1. Backup current configuration. 2. Download Nagios XI 2024R1.3.2 or later. 3. Follow official upgrade procedure. 4. Restart Nagios XI services.
🔧 Temporary Workarounds
Disable WinRM Configuration Wizard
allRemove or restrict access to the vulnerable component
# Remove WinRM wizard files or restrict via web server configuration
Restrict Administrator Access
allLimit administrator accounts and implement MFA
# Review and reduce administrator accounts in Nagios XI
🧯 If You Can't Patch
- Implement network segmentation to isolate Nagios XI from critical systems
- Enable detailed logging and monitoring for WinRM Configuration Wizard access
🔍 How to Verify
Check if Vulnerable:
Check Nagios XI version in Admin > System Status or via command lineCheck Version:
cat /usr/local/nagiosxi/var/xiversionVerify Fix Applied:
Confirm version is 2024R1.3.2 or later and test WinRM Configuration Wizard functionality📡 Detection & Monitoring
Log Indicators:
- Unusual WinRM Configuration Wizard access patterns
- Suspicious command execution in Nagios logs
Network Indicators:
- Unexpected outbound connections from Nagios XI server
SIEM Query:
source="nagios" AND ("WinRM" OR "command injection")