Path traversal in Fortinet FortiExtender
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability [CWE-22] in FortiExtender management interface 7.0.0 through 7.0.3, 4.2.0 through 4.2.4, 4.1.1 through 4.1.8, 4.0.0 through 4.0.2, 3.3.0 through 3.3.2, 3.2.1 through 3.2.3, 5.3 all versions may allow an unauthenticated and remote attacker to retrieve arbitrary files from the underlying filesystem via specially crafted web requests.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
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 | 7.0.0 – 7.0.3; 5.3.2; 4.2.0 – 4.2.4; 4.1.1 – 4.1.8; 4.0.0 – 4.0.2; 3.3.0 – 3.3.2; 3.2.1 – 3.2.3 | — | No fix listed | CNA |
- FortiExtender VendorFortinet Affected 7.0.0 – 7.0.3; 5.3.2; 4.2.0 – 4.2.4; 4.1.1 – 4.1.8; 4.0.0 – 4.0.2; 3.3.0 – 3.3.2; 3.2.1 – 3.2.3 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:fortinet:fortiextender_firmware:*:*:*:*:*:*:*:* | 3.2.1 to before 3.2.4; 3.3.0 to before 3.3.3; 4.0.0 to before 4.0.3; 4.1.1 to before 4.1.9; 4.2.0 to before 4.2.5; 7.0.0 to before 7.0.4 | 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 3.2.1 to before 3.2.4; 3.3.0 to before 3.3.3; 4.0.0 to before 4.0.3; 4.1.1 to before 4.1.9; 4.2.0 to before 4.2.5; 7.0.0 to before 7.0.4 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-2022-23447
- 2026-10-03 Alias added: GHSA-vx64-9phg-mmpv
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-2024-15681 Improper access control in Fortinet FortiExtender CVSS 3.1HIGH 8.8
- 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-2022-23447 · CVE Program
- CVE-2022-23447 · NVD
- FIRST EPSS
- GHSA-vx64-9phg-mmpv · 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