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CVE-2024-23663

HIGH
8.8
CVSS Score
Published: July 9, 2024 at 03:33 PM UTC
Updated: June 17, 2026 at 07:13 AM UTC
2 products affected across 2 vendorsFortiextender FirmwareFortiextender

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

An improper access control in Fortinet FortiExtender 4.1.1 - 4.1.9, 4.2.0 - 4.2.6, 5.3.2, 7.0.0 - 7.0.4, 7.2.0 - 7.2.4 and 7.4.0 - 7.4.2 allows an attacker to create users with elevated privileges via a crafted HTTP request.

Affected

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

Fortiextender Firmware· Fortiguard
95%
4.1.1 ≤ v ≤ 4.1.94.2.0 ≤ v ≤ 4.2.67.0.0 ≤ v ≤ 7.0.47.0.0 ≤ v < 7.0.47.2.0 ≤ v ≤ 7.2.47.2.0 ≤ v < 7.2.47.4.0 ≤ v ≤ 7.4.27.4.0 ≤ v < 7.4.25.3.27.0.07.2.07.4.0
Affected range stops below 7.0.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.2.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.4.2, so it looks safe — our inference, not a vendor statement
Fortiextender· Fortinetdevice
80%
All versions

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-23-459

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-284NVD-CWE-noinfo

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