CVE-2024-32118
📋 TL;DR
This CVE describes OS command injection vulnerabilities in Fortinet FortiManager and FortiAnalyzer products. Authenticated privileged attackers can execute arbitrary commands via crafted CLI requests, potentially leading to full system compromise. Affected organizations using vulnerable versions of these network management and analytics platforms are at risk.
💻 Affected Systems
- Fortinet FortiManager
- Fortinet FortiAnalyzer
- Fortinet FortiAnalyzer-BigData
📦 What is this software?
Fortianalyzer by Fortinet
Fortianalyzer by Fortinet
Fortimanager by Fortinet
Fortimanager by Fortinet
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with attacker gaining root-level access, installing persistent backdoors, exfiltrating sensitive network configuration data, and pivoting to other network segments.
Likely Case
Privilege escalation leading to unauthorized configuration changes, data theft, and potential lateral movement within the network management infrastructure.
If Mitigated
Limited impact due to restricted CLI access, network segmentation, and proper authentication controls preventing unauthorized users from reaching vulnerable interfaces.
🎯 Exploit Status
Exploitation requires authenticated privileged access, but the command injection itself is straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: FortiManager/FortiAnalyzer 7.4.3 or 7.2.5; FortiAnalyzer-BigData 7.4.0
Vendor Advisory: https://fortiguard.fortinet.com/psirt/FG-IR-24-116
Restart Required: Yes
Instructions:
1. Backup current configuration. 2. Download appropriate firmware from Fortinet support portal. 3. Upload firmware to device via GUI or CLI. 4. Install update following vendor documentation. 5. Reboot device after installation completes.
🔧 Temporary Workarounds
Restrict CLI Access
allLimit CLI access to only trusted administrative users and implement strict access controls
config system admin
edit <admin_user>
set accprofile "super_admin"
set trusthost1 <trusted_ip> <trusted_mask>
end
Implement Network Segmentation
allIsolate management interfaces from general network access
🧯 If You Can't Patch
- Implement strict access controls to limit CLI access to only essential administrative personnel
- Monitor CLI access logs for suspicious activity and implement network segmentation to isolate management interfaces
🔍 How to Verify
Check if Vulnerable:
Check current firmware version via GUI (System > Dashboard) or CLI (get system status)
Check Version:
get system status | grep Version
Verify Fix Applied:
Confirm firmware version is 7.4.3 or 7.2.5 for FortiManager/FortiAnalyzer, or 7.4.0 for FortiAnalyzer-BigData
📡 Detection & Monitoring
Log Indicators:
- Unusual CLI command patterns
- Multiple failed authentication attempts followed by successful CLI access
- Commands containing shell metacharacters in CLI logs
Network Indicators:
- Unexpected outbound connections from management interfaces
- Anomalous traffic patterns from FortiManager/FortiAnalyzer devices
SIEM Query:
source="fortimanager" OR source="fortianalyzer" AND (event_type="cli_command" AND command=~"*[;&|`$()]*")