CVE-2022-22306

5.3 mediumEPSS 0.2%

An improper certificate validation vulnerability [CWE-295] in FortiOS 6.0.0 through 6.0.14, 6.2.0 through 6.2.10, 6.4.0 through 6.4.8, 7.0.0 may allow a network adjacent and unauthenticated attacker to man-in-the-middle the communication between the FortiGate and some peers such as private SDNs and external cloud platforms.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
CWE: CWE-295
Published: 2022-05-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:fortios

References

https://fortiguard.com/psirt/FG-IR-21-239
https://fortiguard.com/psirt/FG-IR-21-239

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