Description
An improper certificate validation vulnerability [CWE-295] in FortiOS 7.2.0 through 7.2.3, 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions and FortiProxy 7.0.0 through 7.0.6, 2.0 all versions, 1.2 all versions may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiOS/FortiProxy device and remote servers hosting threat feeds (when the latter are configured as Fabric connectors in FortiOS/FortiProxy)
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Fortinet | FortiProxy | 7.0.0 – ≤ 7.0.6, 2.0.0 – ≤ 2.0.11, 1.2.0 – ≤ 1.2.13 | — |
| Fortinet | FortiOS | 7.2.0 – ≤ 7.2.3, 7.0.0 – ≤ 7.0.7, 6.4.0 – ≤ 6.4.11, 6.2.0 – ≤ 6.2.12, 6.0.0 – ≤ 6.0.16 | — |
Advisories 2
- ICSA-24-074-11 Siemens RUGGEDCOM APE1808 with Fortigate NGFW Devices CISA ICS & IT advisories · Jan 14, 2026
- SSA-366067 SSA-366067: Multiple Vulnerabilities in Fortigate NGFW Before V7.4.1 on RUGGEDCOM APE1808 Devices Siemens ProductCERT · Jan 13, 2026