Improper access control in Fortinet FortiExtender
Priority MEDIUM 41CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0064 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Fortinet | FortiExtender | 7.4.0 – 7.4.2; 7.2.0 – 7.2.4; 7.0.0 – 7.0.4 | — | No fix listed | CNA |
- FortiExtender VendorFortinet Affected 7.4.0 – 7.4.2; 7.2.0 – 7.2.4; 7.0.0 – 7.0.4 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:fortinet:fortiextender_firmware:*:*:*:*:*:*:*:* | 4.1.1 – 4.1.9; 4.2.0 – 4.2.6; 7.0.0 – 7.0.4; 7.2.0 – 7.2.4; 7.4.0 – 7.4.2 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortiextender_firmware:5.3.2:*:*:*:*:*:*:* | 5.3.2 | Vulnerable | Fortinet |
| cpe:2.3:h:fortinet:fortiextender:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Fortinet |
- cpe:2.3:o:fortinet:fortiextender_firmware:*:*:*:*:*:*:*:* Versions 4.1.1 – 4.1.9; 4.2.0 – 4.2.6; 7.0.0 – 7.0.4; 7.2.0 – 7.2.4; 7.4.0 – 7.4.2 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortiextender_firmware:5.3.2:*:*:*:*:*:*:* Versions 5.3.2 Vulnerable ·Fortinet
- cpe:2.3:h:fortinet:fortiextender:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Fortinet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-23663
- 2026-10-03 Alias added: GHSA-r293-2ppv-632r
- 2026-10-23 EPSS moved to the 50th–90th percentile
References
More Fortinet Fortiextender Firmware vulnerabilities
- TI-2021-17880 A improper neutralization of special elements used in a command ('command injection') in… CVSS 3.1HIGH 8.8
- TI-2022-07507 Path traversal in Fortinet FortiExtender CVSS 3.1HIGH 7.5
- TI-2025-39604 OS command injection in Fortinet FortiExtender CVSS 3.1HIGH 7.2
- TI-2022-10504 OS command injection in Fortinet FortiExtender CVSS 3.1HIGH 7.2
- TI-2025-29426 Buffer overflow in Fortinet FortiExtender CVSS 3.1HIGH 7.8
- TI-2025-29425 A debug messages revealing unnecessary information vulnerability in Fortinet… CVSS 3.1MEDIUM 5.2
Sources
- CVE-2024-23663 · CVE Program
- CVE-2024-23663 · NVD
- FIRST EPSS
- GHSA-r293-2ppv-632r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences