An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://fortiguard.com/psirt/FG-IR-23-301 |
|
History
Wed, 14 Jan 2026 10:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Wed, 14 Jan 2026 09:30:00 +0000
| Type | Values Removed | Values Added |
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| Description | An improper certificate validation vulnerability in Fortinet FortiOS 7.0.0 - 7.0.13, 7.2.0 - 7.2.6, 7.4.0 - 7.4.1 and 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch. | An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch. |
| CPEs | cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:* |
Status: PUBLISHED
Assigner: fortinet
Published: 2024-02-15T13:59:24.770Z
Updated: 2026-01-14T09:15:43.682Z
Reserved: 2023-11-06T10:35:25.828Z
Link: CVE-2023-47537
Updated: 2024-08-02T21:09:37.377Z
Status : Modified
Published: 2024-02-15T14:15:45.240
Modified: 2026-01-14T10:16:01.877
Link: CVE-2023-47537
No data.