PSIRTPermission escalation due to an Improper Privilege Management
Summary
An incorrect privilege assignment vulnerability [CWE-266] in the FortiOS security fabric may allow an authenticated admin whose access profile has the Security Fabric write permission to escalate their privileges to super-admin by connecting the targetted FortiGate to a malicious upstream FortiGate they control.
| Version | Affected | Solution |
|---|---|---|
| FortiOS 7.6 | 7.6.0 | Upgrade to 7.6.1 or above |
| FortiOS 7.4 | 7.4.0 through 7.4.4 | Upgrade to 7.4.5 or above |
| FortiOS 7.2 | 7.2.0 through 7.2.9 | Upgrade to 7.2.10 or above |
| FortiOS 7.0 | 7.0.0 through 7.0.15 | Upgrade to 7.0.16 or above |
| FortiOS 6.4 | 6.4 all versions | Migrate to a fixed release |
Acknowledgement
Internally discovered and reported by Justin Lum from Fortinet's R&D team.Timeline
2025-02-11: Initial publication2025-03-13: Permission clarification