FortiOS
CVE-2023-46715: Origin validation error in FortiProxy, FortiOS
An origin validation error [CWE-346] vulnerability in Fortinet FortiOS IPSec VPN version 7.4.0 through 7.4.1 and version 7.2.6 and below allows an authenticated IPSec VPN user with dynamic IP addressing to send (but not receive) packets spoofing the IP of another user via crafted network packets.
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 7.4.1 | Upgrade past 7.4.1; see the advisory |
| FortiProxy 7.2.0 to 7.2.6 | Upgrade past 7.2.6; see the advisory |
| FortiProxy 7.0.0 to 7.0.12 | Upgrade past 7.0.12; see the advisory |
| FortiOS 7.4.0 to 7.4.1 | 7.4.2 or later |
| FortiOS 7.2.0 to 7.2.10 | Upgrade past 7.2.10; see the advisory |
| FortiOS 7.0.0 to 7.0.16 | Upgrade past 7.0.16; see the advisory |
| FortiOS 6.4.0 to 6.4.15 | Upgrade past 6.4.15; see the advisory |
| FortiOS 6.2.0 to 6.2.16 | Upgrade past 6.2.16; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
An origin validation error [CWE-346] vulnerability in Fortinet FortiOS IPSec VPN version 7.4.0 through 7.4.1 and version 7.2.6 and below allows an authenticated IPSec VPN user with dynamic IP addressing to send (but not receive) packets spoofing the IP of another user via crafted network packets.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.