CVE-2024-52964
📋 TL;DR
This path traversal vulnerability in Fortinet FortiManager and FortiManager Cloud allows authenticated remote attackers to overwrite arbitrary files via crafted FGFM requests. Attackers could potentially modify configuration files, install malicious software, or disrupt system operations. Organizations running affected versions of FortiManager (on-premises or cloud) are at risk.
💻 Affected Systems
- Fortinet FortiManager
- Fortinet FortiManager Cloud
📦 What is this software?
Fortimanager by Fortinet
Fortimanager by Fortinet
Fortimanager by Fortinet
Fortimanager by Fortinet
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to overwrite critical system files, install persistent backdoors, or disrupt FortiManager operations leading to network management failure.
Likely Case
Unauthorized file modification leading to configuration changes, privilege escalation, or service disruption affecting managed FortiGate devices.
If Mitigated
Limited impact due to proper network segmentation, strong authentication controls, and monitoring that detects unusual file modification attempts.
🎯 Exploit Status
Requires authenticated access and knowledge of FGFM protocol; attacker needs valid credentials to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: FortiManager: 7.6.2, 7.4.6, 7.2.10, 7.0.14; FortiManager Cloud: 7.6.2, 7.4.6, 7.2.10
Vendor Advisory: https://fortiguard.fortinet.com/psirt/FG-IR-24-473
Restart Required: No
Instructions:
1. Backup current configuration. 2. Download appropriate firmware from Fortinet Support Portal. 3. Upload firmware to FortiManager. 4. Install update via System Settings > Firmware. 5. Verify successful update.
🔧 Temporary Workarounds
Restrict FGFM Access
allLimit FGFM protocol access to trusted management networks only using firewall rules.
config system interface
edit <interface_name>
set allowaccess https ssh ping
end
Enforce Strong Authentication
allImplement multi-factor authentication and strong password policies for all administrative accounts.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate FortiManager from untrusted networks
- Enable detailed logging and monitoring for file modification attempts and FGFM protocol anomalies
🔍 How to Verify
Check if Vulnerable:
Check FortiManager version via GUI (System > Dashboard) or CLI: get system statusCheck Version:
get system status | grep VersionVerify Fix Applied:
Verify version is updated to patched version: get system status | grep Version📡 Detection & Monitoring
Log Indicators:
- Unusual file modification events
- Multiple failed authentication attempts followed by FGFM requests
- FGFM requests with unusual file paths
Network Indicators:
- Unusual FGFM traffic patterns
- FGFM requests containing path traversal sequences (../)
SIEM Query:
source="fortimanager" AND (event_type="file_modification" OR protocol="FGFM") AND (path="*../*" OR user_agent="*malicious*")