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CVE-2022-40679

HIGH
7.8
CVSS Score
Published: April 11, 2023 at 04:05 PM UTC
Updated: June 17, 2026 at 05:01 AM UTC
3 products affected across 1 vendorFortiADCFortiDDoS-FFortiDDoS

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in FortiADC 5.x all versions, 6.0 all versions, 6.1 all versions, 6.2.0 through 6.2.4, 7.0.0 through 7.0.3, 7.1.0; FortiDDoS 4.x all versions, 5.0 all versions, 5.1 all versions, 5.2 all versions, 5.3 all versions, 5.4 all versions, 5.5 all versions, 5.6 all versions and FortiDDoS-F 6.4.0, 6.3.0 through 6.3.3, 6.2.0 through 6.2.2, 6.1.0 through 6.1.4 may allow an authenticated attacker to execute unauthorized commands via specifically crafted arguments to existing commands.

Affected

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

FortiADC· Fortinet
95%
5.0.0 ≤ v ≤ 5.0.45.0.0 ≤ v < 6.2.55.1.0 ≤ v ≤ 5.1.75.2.0 ≤ v ≤ 5.2.85.3.0 ≤ v ≤ 5.3.75.4.0 ≤ v ≤ 5.4.56.0.0 ≤ v ≤ 6.0.46.1.0 ≤ v ≤ 6.1.66.2.0 ≤ v ≤ 6.2.47.0.0 ≤ v ≤ 7.0.35.0.05.1.05.2.05.3.05.4.06.0.06.1.06.2.07.0.07.1.0
Affected range stops below 6.2.5, so it looks safe — our inference, not a vendor statement
FortiDDoS· Fortinet
95%
4.0.0 ≤ v ≤ 4.0.14.0.0 ≤ v < 5.7.04.1.1 ≤ v ≤ 4.1.124.2.1 ≤ v ≤ 4.2.24.3.0 ≤ v ≤ 4.3.24.4.0 ≤ v ≤ 4.4.25.3.0 ≤ v ≤ 5.3.15.4.0 ≤ v ≤ 5.4.25.5.0 ≤ v ≤ 5.5.15.6.0 ≤ v ≤ 5.6.14.0.04.1.14.2.14.3.04.4.04.5.04.6.04.7.05.0.05.1.05.2.05.3.05.4.05.5.05.6.0
Affected range stops below 5.7.0, so it looks safe — our inference, not a vendor statement
FortiDDoS-F· Fortinet
95%
6.1.0 ≤ v ≤ 6.1.46.1.0 ≤ v < 6.1.56.2.0 ≤ v ≤ 6.2.26.2.0 ≤ v < 6.2.36.3.0 ≤ v ≤ 6.3.36.3.0 ≤ v < 6.3.46.1.06.2.06.3.06.4.0
Affected range stops below 6.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.4, 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)

Vendor Advisory
Source: [email protected]
https://fortiguard.com/psirt/FG-IR-22-335

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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