Improper access control in Fortinet FortiOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
An improper access control vulnerability [CWE-284] in FortiOS version 7.2.0, version 7.0.13 and below, version 6.4.14 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below may allow a remote unauthenticated attacker to bypass the firewall deny geolocalisation policy via timing the bypass with a GeoIP database update.
Why it matters now
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 | FortiOS | 7.2.0; 7.0.0 – 7.0.13; 6.4.0 – 6.4.14 | — | No fix listed | CNA |
| Fortinet | FortiProxy | 7.2.0 – 7.2.3; 7.0.0 – 7.0.9; 2.0.0 – 2.0.12 | — | No fix listed | CNA |
- FortiOS VendorFortinet Affected 7.2.0; 7.0.0 – 7.0.13; 6.4.0 – 6.4.14 Fixed in — No fix listed CNA
- FortiProxy VendorFortinet Affected 7.2.0 – 7.2.3; 7.0.0 – 7.0.9; 2.0.0 – 2.0.12 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* | 2.0.0 – 2.0.12; 7.0.0 – 7.0.9; 7.2.0 – 7.2.3 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | 6.4.0 – 6.4.14; 7.0.0 – 7.0.13 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:* | 7.2.0 | Vulnerable | Fortinet |
- cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* Versions 2.0.0 – 2.0.12; 7.0.0 – 7.0.9; 7.2.0 – 7.2.3 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* Versions 6.4.0 – 6.4.14; 7.0.0 – 7.0.13 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios: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-2023-47536
- 2026-10-03 Alias added: GHSA-mr98-43v8-59c7
References
More Fortinet Fortios vulnerabilities
- TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
- TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
- TI-2024-36904 Authentication bypass in Fortinet FortiOS KEVCVSS 3.1CRITICAL 9.8
- TI-2024-15234 A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through… KEVCVSS 3.1CRITICAL 9.8
- TI-2024-14448 Out-of-bounds write in Fortinet FortiOS KEVCVSS 3.1CRITICAL 9.8
- TI-2023-12585 Heap-based buffer overflow in Fortinet FortiOS-6K7K KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-47536 · CVE Program
- CVE-2023-47536 · NVD
- FIRST EPSS
- GHSA-mr98-43v8-59c7 · 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