CVE-2025-22862
📋 TL;DR
This CVE describes an authentication bypass vulnerability in FortiOS and FortiProxy that allows authenticated attackers to elevate privileges via malicious Webhook actions in the Automation Stitch component. Attackers can gain unauthorized administrative access to affected systems. Organizations running vulnerable versions of Fortinet products are at risk.
💻 Affected Systems
- FortiOS
- FortiProxy
📦 What is this software?
Fortios by Fortinet
Fortios by Fortinet
Fortiproxy by Fortinet
Fortiproxy by Fortinet
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with administrative access, allowing attackers to reconfigure security settings, exfiltrate sensitive data, or deploy malware across the network.
Likely Case
Privilege escalation leading to unauthorized administrative access, enabling attackers to modify configurations, create backdoors, or access restricted network segments.
If Mitigated
Limited impact with proper network segmentation and monitoring, potentially allowing detection of unauthorized access attempts before significant damage occurs.
🎯 Exploit Status
Requires authenticated access and knowledge of Automation Stitch Webhook functionality. No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: FortiOS 7.4.8+, 7.2.12+, 7.0.13+; FortiProxy 7.6.3+, 7.4.9+, 7.2.7+, 7.0.7+
Vendor Advisory: https://fortiguard.fortinet.com/psirt/FG-IR-24-385
Restart Required: Yes
Instructions:
1. Download appropriate firmware version from Fortinet support portal. 2. Backup current configuration. 3. Apply firmware update via GUI or CLI. 4. Reboot device. 5. Verify version after reboot.
🔧 Temporary Workarounds
Disable Automation Stitch
allTemporarily disable Automation Stitch functionality to prevent exploitation
config system automation-stitch
set status disable
end
Restrict Webhook Access
allLimit access to Webhook functionality to trusted IP addresses only
config system automation-stitch
set webhook-access-control enable
set webhook-access-control-ip <trusted_ips>
end
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected devices
- Enable detailed logging and monitoring for suspicious Automation Stitch activity
🔍 How to Verify
Check if Vulnerable:
Check current firmware version and compare with affected versions listCheck Version:
get system status | grep VersionVerify Fix Applied:
Verify firmware version is at or above patched versions listed in vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unusual Automation Stitch activity
- Privilege escalation attempts
- Unauthorized configuration changes via Webhook
Network Indicators:
- Suspicious outbound connections from Fortinet devices
- Unexpected administrative access patterns
SIEM Query:
source="fortigate" AND (event_type="automation" OR event_type="webhook") AND severity>=medium