FortiOS
CVE-2024-26013: Improper restriction of communication channel to intended endpoints in FortiProxy, FortiManager and others
A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15 and before 6.2.16, Fortinet FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.9 and before 7.0.15, Fortinet FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiVoice version 7.0.0 through 7.0.2 before 6.4.8 and Fortinet FortiWeb before 7.4.2 may allow an unauthenticated attacker in a man-in-the-middle position to impersonate the management device (FortiCloud server or/and in certain conditions, FortiManager), via intercepting the FGFM authentication request between the management device and the managed device
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 |
|---|---|
| FortiProxy 7.4.0 to 7.4.2 | 7.4.3 or later |
| FortiProxy 7.2.0 to 7.2.9 | 7.2.10 or later |
| FortiProxy 7.0.0 to 7.0.15 | 7.0.16 or later |
| FortiProxy 2.0.0 to 2.0.14 | Upgrade past 2.0.14; see the advisory |
| FortiManager 7.4.0 to 7.4.2 | 7.4.3 or later |
| FortiManager 7.2.0 to 7.2.4 | 7.2.5 or later |
| FortiManager 7.0.0 to 7.0.11 | 7.0.12 or later |
| FortiManager 6.4.0 to 6.4.14 | 6.4.15 or later |
| FortiManager 6.2.0 to 6.2.13 | 6.2.14 or later |
| FortiOS 7.4.0 to 7.4.3 | 7.4.5 or later |
| FortiOS 7.2.0 to 7.2.7 | 7.2.9 or later |
| FortiOS 7.0.0 to 7.0.14 | 7.0.16 or later |
| FortiOS 6.4.0 to 6.4.15 | Upgrade past 6.4.15; see the advisory |
| FortiOS 6.2.0 to 6.2.16 | 6.2.17 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15 and before 6.2.16, Fortinet FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.9 and before 7.0.15, Fortinet FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiVoice version 7.0.0 through 7.0.2 before 6.4.8 and Fortinet FortiWeb before 7.4.2 may allow an unauthenticated attacker in a man-in-the-middle position to impersonate the management device (FortiCloud server or/and in certain conditions, FortiManager), via intercepting the FGFM authentication request between the management device and the managed device
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.