CVE-2022-22306

MEDIUM
5.3
CVSS Score
Published: May 24, 2022 at 02:35 PM UTC
Updated: June 17, 2026 at 04:28 AM UTC
1 product affected across 1 vendorFortiOS

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 6.0.146.0.0 ≤ v ≤ 6.0.146.2.0 ≤ v ≤ 6.2.106.4.0 ≤ v < 6.4.97.0.0
Affected range stops below 6.4.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-295

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