Access control flaw in Fortinet FortiNAC
Priority MEDIUM 40CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
An improper permissions, privileges, and access controls vulnerability [CWE-264] in FortiNAC-F 7.2.0, FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.0 all versions 8.7.0 all versions may allow an unauthenticated attacker to perform a DoS attack on the device via client-secure renegotiation.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00654 51st 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
- 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 | FortiNAC | 9.4.0 – 9.4.1; 9.2.0 – 9.2.6; 9.1.0 – 9.1.8; 8.8.0 – 8.8.11; 8.7.0 – 8.7.6; 7.2.0 | — | No fix listed | CNA |
- FortiNAC VendorFortinet Affected 9.4.0 – 9.4.1; 9.2.0 – 9.2.6; 9.1.0 – 9.1.8; 8.8.0 – 8.8.11; 8.7.0 – 8.7.6; 7.2.0 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:* | 8.7.0 – 8.7.6; 8.8.0 – 8.8.11; 9.1.0 – 9.1.8; 9.2.0 – 9.2.6 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortinac:9.4.0:*:*:*:*:*:*:* | 9.4.0 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortinac:9.4.1:*:*:*:*:*:*:* | 9.4.1 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortinac-f:7.2.0:*:*:*:*:*:*:* | 7.2.0 | Vulnerable | Fortinet |
- cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:* Versions 8.7.0 – 8.7.6; 8.8.0 – 8.8.11; 9.1.0 – 9.1.8; 9.2.0 – 9.2.6 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortinac:9.4.0:*:*:*:*:*:*:* Versions 9.4.0 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortinac:9.4.1:*:*:*:*:*:*:* Versions 9.4.1 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortinac-f:7.2.0:*:*:*:*:*:*:* Versions 7.2.0 Vulnerable ·Fortinet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22633
- 2026-10-03 Alias added: GHSA-9gr9-452c-98q9
- 2026-10-13 EPSS moved to the 50th–90th percentile
References
More Fortinet Fortinac vulnerabilities
- TI-2022-18918 Exposure of resource to wrong sphere in Fortinet FortiNAC CVSS 3.1CRITICAL 9.8
- TI-2023-16458 Deserialization of untrusted data in Fortinet FortiNAC CVSS 3.1CRITICAL 9.8
- TI-2022-18002 Improper authorization in Fortinet FortiNAC CVSS 3.1CRITICAL 9.8
- TI-2022-18920 XML external entity injection in Fortinet FortiNAC CVSS 3.1CRITICAL 9.1
- TI-2024-20852 Cross-site scripting in Fortinet FortiNAC CVSS 3.1CRITICAL 9.0
- TI-2023-16459 Command injection in Fortinet FortiNAC CVSS 3.1MEDIUM 4.8
Sources
- CVE-2023-22633 · CVE Program
- CVE-2023-22633 · NVD
- FIRST EPSS
- GHSA-9gr9-452c-98q9 · GitHub Advisory Database · CC BY 4.0
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