Improper authentication in Fortinet FortiWAN
Priority LOW 39CWE-287Published · 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-287.
Summary
** UNSUPPORTED WHEN ASSIGNED **An improper authentication vulnerability [CWE-287] in Fortinet FortiWAN version 5.2.0 through 5.2.1 and version 5.1.1 through 5.1.2 may allow an authenticated attacker to escalate his privileges via HTTP or HTTPs requests with crafted JWT token values.
Why it matters now
EPSS 0.00724 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Fortinet | FortiWAN | 5.2.0 – 5.2.1; 5.1.1 – 5.1.2 | — | No fix listed | CNA |
- FortiWAN VendorFortinet Affected 5.2.0 – 5.2.1; 5.1.1 – 5.1.2 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fortinet:fortiwan:5.1.1:*:*:*:*:*:*:* | 5.1.1 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortiwan:5.1.2:*:*:*:*:*:*:* | 5.1.2 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortiwan:5.2.0:*:*:*:*:*:*:* | 5.2.0 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortiwan:5.2.1:*:*:*:*:*:*:* | 5.2.1 | Vulnerable | Fortinet |
- cpe:2.3:a:fortinet:fortiwan:5.1.1:*:*:*:*:*:*:* Versions 5.1.1 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortiwan:5.1.2:*:*:*:*:*:*:* Versions 5.1.2 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortiwan:5.2.0:*:*:*:*:*:*:* Versions 5.2.0 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortiwan:5.2.1:*:*:*:*:*:*:* Versions 5.2.1 Vulnerable ·Fortinet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-44252
- 2026-10-03 Alias added: GHSA-mjfm-wh8j-9fgg
References
More Fortinet Fortiwan vulnerabilities
- TI-2021-08052 Authentication bypass in Fortinet FortiWAN CVSS 3.1CRITICAL 9.8
- TI-2021-08064 SQL injection in Fortinet FortiWAN CVSS 3.1CRITICAL 9.8
- TI-2021-08062 Out-of-bounds write in Fortinet FortiWAN CVSS 3.1CRITICAL 9.8
- TI-2016-04287 Fortinet FortiWan (formerly AscernLink) before 4.2.5 allows remote authenticated users… CVSS 3.0HIGH 8.8
- TI-2022-14879 OS command injection in Fortinet FortiWAN CVSS 3.1HIGH 8.8
- TI-2021-06326 OS command injection in Fortinet FortiWAN CVSS 3.1HIGH 8.8
Sources
- CVE-2023-44252 · CVE Program
- CVE-2023-44252 · NVD
- FIRST EPSS
- GHSA-mjfm-wh8j-9fgg · GitHub Advisory Database · CC BY 4.0
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