CVE-2024-23663 Privilege escalation in FortiExtender

What is CVE-2024-23663?

CVE-2024-23663 is a high-severity vulnerability in Fortinet FortiExtender, published on 9 Jul 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-284

Which versions are affected by CVE-2024-23663?

It affects 1 product.

Products include Fortinet Fortiextender Firmware.

How do I fix CVE-2024-23663?

No fix has been published for CVE-2024-23663 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-23663 being exploited?

There is no known exploitation of CVE-2024-23663 in the wild and no public exploit code.

Other vulnerabilities in Fortinet FortiExtender

• CVE-2021-41016 Command injection in n/a High 7.8
• CVE-2022-23447 Path traversal in FortiExtender High 7.3
• CVE-2022-27489 Command injection in FortiExtender High 7.0
• CVE-2025-64153 Command injection in FortiExtender Medium 6.7
• CVE-2025-46776 Memory corruption in FortiExtender Medium 6.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r293-2ppv-632r.