FortiOS
CVE-2024-50568: Channel accessible by non-endpoint in FortiOS, FortiProxy
A channel accessible by non-endpoint vulnerability [CWE-300] in Fortinet FortiOS version 7.4.0 through 7.4.3, 7.2.0 through 7.2.7 and before 7.0.14 & FortiProxy version 7.4.0 through 7.4.3, 7.2.0 through 7.2.9 and before 7.0.16 allows an unauthenticated attacker with the knowledge of device specific data to spoof the identity of a downstream device of the security fabric via crafted TCP requests.
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 7.4.0 to 7.4.3 | 7.4.4 or later |
| FortiOS 7.2.0 to 7.2.7 | 7.2.9 or later |
| FortiOS 7.0.0 to 7.0.14 | Upgrade past 7.0.14; see the advisory |
| FortiOS 6.4.2 to 6.4.16 | Upgrade past 6.4.16; see the advisory |
| FortiProxy 7.4.0 to 7.4.3 | 7.4.4 or later |
| FortiProxy 7.2.0 to 7.2.9 | 7.2.10 or later |
| FortiProxy 7.0.0 to 7.0.16 | 7.0.17 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A channel accessible by non-endpoint vulnerability [CWE-300] in Fortinet FortiOS version 7.4.0 through 7.4.3, 7.2.0 through 7.2.7 and before 7.0.14 & FortiProxy version 7.4.0 through 7.4.3, 7.2.0 through 7.2.9 and before 7.0.16 allows an unauthenticated attacker with the knowledge of device specific data to spoof the identity of a downstream device of the security fabric via crafted TCP requests.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.