OS command injection in Fortinet FortiExtender
Priority LOW 37CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- 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-78.
Summary
A 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, 4.2.4 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01474 73rd 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 | 7.0.0 – 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; 3.1.0 – 3.1.2; 3.0.0 – 3.0.2 | — | 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; 3.1.0 – 3.1.2; 3.0.0 – 3.0.2 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| 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; 4.1.1 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:3.0.0:*:*:*:*:*:*:* | 3.0.0 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortiextender_firmware:3.0.1:*:*:*:*:*:*:* | 3.0.1 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortiextender_firmware:3.0.2:*:*:*:*:*:*:* | 3.0.2 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortiextender_firmware:3.1.0:*:*:*:*:*:*:* | 3.1.0 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortiextender_firmware:3.1.1:*:*:*:*:*:*:* | 3.1.1 | 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; 4.1.1 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:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortiextender_firmware:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortiextender_firmware:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortiextender_firmware:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortiextender_firmware:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 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-2022-27489
- 2026-10-03 Alias added: GHSA-g389-p63j-mfgq
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-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-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-2022-27489 · CVE Program
- CVE-2022-27489 · NVD
- FIRST EPSS
- GHSA-g389-p63j-mfgq · GitHub Advisory Database · CC BY 4.0
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