CVE-2022-22306
lowpriority · track · 21EPSS 0.002 · 10 %ileEUUSEPSS · scored 2026-10-26
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.9–5.4
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
- Fortinet Fortinet FortiOS≤ FortiOS 6.0.0 through 6.0.14, 6.2.0 through 6.2.10, 6.4.0 through 6.4.8, 7.0.0enisa_euvdEU
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- http://fortiguard.fortinet.com/psirt/FG-IR-21-239Patchcnnvd
- https://cxsecurity.com/cveshow/CVE-2022-22306/cnnvd
- https://fortiguard.com/psirt/FG-IR-21-239cnnvd
- https://vigilance.fr/vulnerability/FortiOS-Man-in-the-Middle-via-External-End-points-38210cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022050316cnnvd
- https://fortiguard.com/psirt/FG-IR-21-239enisa_euvd
- https://fortiguard.com/psirt/FG-IR-21-239Vendor Advisorynvd
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