FortiOS
CVE-2024-40591: Incorrect privilege assignment in FortiOS
An incorrect privilege assignment vulnerability [CWE-266] in Fortinet FortiOS version 7.6.0, 7.4.0 through 7.4.4, 7.2.0 through 7.2.9 and before 7.0.15 allows an authenticated admin whose access profile has the Security Fabric permission to escalate their privileges to super-admin by connecting the targetted FortiGate to a malicious upstream FortiGate they control.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiOS 7.6 | 7.6.1 or later |
| FortiOS 7.4.0 to 7.4.4 | 7.4.5 or later |
| FortiOS 7.2.0 to 7.2.9 | 7.2.10 or later |
| FortiOS 7.0.0 to 7.0.15 | 7.0.16 or later |
| FortiOS 6.4.0 to 6.4.15 | Upgrade past 6.4.15; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
An incorrect privilege assignment vulnerability [CWE-266] in Fortinet FortiOS version 7.6.0, 7.4.0 through 7.4.4, 7.2.0 through 7.2.9 and before 7.0.15 allows an authenticated admin whose access profile has the Security Fabric permission to escalate their privileges to super-admin by connecting the targetted FortiGate to a malicious upstream FortiGate they control.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.