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CVE-2022-40677

HIGH
8.8
CVSS Score
Published: February 16, 2023 at 06:06 PM UTC
Updated: June 17, 2026 at 05:01 AM UTC
1 product affected across 1 vendorFortiNAC

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

A improper neutralization of argument delimiters in a command ('argument injection') in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 allows attacker to execute unauthorized code or commands via specially crafted input parameters.

Affected

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

FortiNAC· Fortinet
95%
8.5.0 ≤ v ≤ 8.5.48.6.0 ≤ v ≤ 8.6.58.7.0 ≤ v ≤ 8.7.68.8.0 ≤ v ≤ 8.8.119.1.0 ≤ v ≤ 9.1.79.2.0 ≤ v ≤ 9.2.58.3.78.5.08.6.08.7.08.8.09.1.09.2.09.4.0

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)

PatchVendor Advisory
Source: [email protected]
https://fortiguard.com/psirt/FG-IR-22-280

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-88

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