← Vulnerability feed

Vulnerability record · CVE-2024-23663 · published 9 July 2024

CVE-2024-23663: Fortinet fortiextender firmware improper access control vulnerability

Fortinet · Fortiextender Firmware

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.

8.8 CVSS 3.1 High EPSS 0.64% · top 51.4% CWE-284 · Improper access control
8.8CVSS 3.1 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://fortiguard.com/psirt/FG-IR-23-459 Vendor Advisory
https://fortiguard.com/psirt/FG-IR-23-459 Vendor Advisory

Track CVE-2024-23663 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-41016Fortinet fortiextender firmware os command injection vulnerabilityA improper neutralization of special elements used in a command ('command injection') in Fortinet FortiExtender version 7.0.1 and below, 4.2.3 and be…EPSS 1.1%7.8CVE-2025-46776Fortinet fortiextender firmware classic buffer overflow vulnerabilityA buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7…EPSS 0.16%7.5CVE-2022-23447Fortinet fortiextender firmware path traversal vulnerabilityAn improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability [CWE-22] in FortiExtender management interface 7.0.0 …EPSS 0.80%7.2CVE-2025-64153Fortinet fortiextender firmware os command injection vulnerabilityA improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiExtender 7.6.0 through 7.6.3, FortiExte…EPSS 1.7%7.2CVE-2022-27489Fortinet fortiextender firmware os command injection vulnerabilityA improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiExtender 7.0.0 through 7.0.3, 5.3.2, 4.…EPSS 1.5%5.5CVE-2025-46775Fortinet fortiextender firmware vulnerabilityA debug messages revealing unnecessary information vulnerability in Fortinet FortiExtender 7.6.0 through 7.6.1, FortiExtender 7.4.0 through 7.4.6, Fo…EPSS 0.16%7.8CVE-2026-81963Windows Update Stack link-following privilege escalationWindows Update Stack resolves links improperly before accessing files, a link-following flaw (CWE-59) compounded by improper access control (CWE-284)…KEVEPSS 0.39%analysed10.0CVE-2026-21962Oracle HTTP Server and WebLogic Proxy Plug-in improper access controlOracle HTTP Server and the WebLogic Server Proxy Plug-in (for Apache HTTP Server and IIS) contain an improper access control flaw (CWE-284) in suppor…KEVEPSS 71%analysed

Source: NIST National Vulnerability Database (record CVE-2024-23663), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.