Unrestricted file upload in Fortinet FortiPortal
Priority LOW 37CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
An unrestricted file upload vulnerability in the web interface of FortiPortal 6.0.0 through 6.0.4, 5.3.0 through 5.3.5, 5.2.0 through 5.2.5, and 4.2.2 and earlier may allow a low-privileged user to potentially tamper with the underlying system's files via the upload of specifically crafted files.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00734 54th 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
- 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 | Fortinet FortiPortal | FortiPortal 6.0.0 through 6.0.4, 5.3.0 through 5.3.5, 5.2.0 through 5.2.5, and 4.2.2 and earlier | — | No fix listed | CNA |
- Fortinet FortiPortal VendorFortinet Affected FortiPortal 6.0.0 through 6.0.4, 5.3.0 through 5.3.5, 5.2.0 through 5.2.5, and 4.2.2 and earlier Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* | 4.0.0 – 4.0.4; 4.1.0 – 4.1.2; 4.2.0 – 4.2.4; 5.0.0 – 5.0.3; 5.1.0 – 5.1.2; 5.2.0 to before 5.2.6; 5.3.0 to before 5.3.6; 6.0.0 to before 6.0.5 | Vulnerable | Fortinet |
- cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* Versions 4.0.0 – 4.0.4; 4.1.0 – 4.1.2; 4.2.0 – 4.2.4; 5.0.0 – 5.0.3; 5.1.0 – 5.1.2; 5.2.0 to before 5.2.6; 5.3.0 to before 5.3.6; 6.0.0 to before 6.0.5 Vulnerable ·Fortinet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-32594
- 2026-10-03 Alias added: GHSA-m2qx-g49w-3pp8
References
More Fortinet Fortiportal vulnerabilities
- TI-2021-12259 Hard-coded credentials in Fortinet FortiPortal CVSS 3.1CRITICAL 9.8
- TI-2021-12260 Use after free in Fortinet FortiManager CVSS 3.1CRITICAL 9.8
- TI-2024-14445 Authorization bypass in Fortinet FortiPortal CVSS 3.1MEDIUM 4.3
- TI-2017-05005 Improper input validation in Fortinet FortiPortal CVSS 3.0CRITICAL 9.8
- TI-2024-17109 Missing authentication in Fortinet FortiManager CVSS 3.1CRITICAL 9.8
- TI-2017-05000 Incorrect permission assignment in Fortinet FortiPortal CVSS 3.0CRITICAL 9.1
Sources
- CVE-2021-32594 · CVE Program
- CVE-2021-32594 · NVD
- FIRST EPSS
- GHSA-m2qx-g49w-3pp8 · 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