An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS version 7.6.0, version 7.4.7 and below, 7.0 all versions, 6.4 all versions and FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions may allow a remote unauthenticated user to bypass the DNS filter via Apple devices.
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 | 7.6.0; 7.4.0 – 7.4.7; 7.2.0 – 7.2.10; 7.0.0 – 7.0.17; 6.4.0 – 6.4.16 | — | No fix listed | CNA |
| Fortinet | FortiProxy | 7.6.0 – 7.6.1; 7.4.0 – 7.4.8; 7.2.0 – 7.2.14; 7.0.0 – 7.0.21 | — | No fix listed | CNA |
- FortiOS VendorFortinet Affected 7.6.0; 7.4.0 – 7.4.7; 7.2.0 – 7.2.10; 7.0.0 – 7.0.17; 6.4.0 – 6.4.16 Fixed in — No fix listed CNA
- FortiProxy VendorFortinet Affected 7.6.0 – 7.6.1; 7.4.0 – 7.4.8; 7.2.0 – 7.2.14; 7.0.0 – 7.0.21 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* | 7.0.0 to before 7.4.9; 7.6.0 to before 7.6.2 | Vulnerable | Fortinet |
| cpe:2.3:a:fortinet:fortisase:24.4.32:*:*:*:-:*:*:* | 24.4.32 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | 6.4.0 to before 7.2.11; 7.4.0 to before 7.4.8 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:* | 7.6.0 | Vulnerable | Fortinet |
- cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.4.9; 7.6.0 to before 7.6.2 Vulnerable ·Fortinet
- cpe:2.3:a:fortinet:fortisase:24.4.32:*:*:*:-:*:*:* Versions 24.4.32 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* Versions 6.4.0 to before 7.2.11; 7.4.0 to before 7.4.8 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:* Versions 7.6.0 Vulnerable ·Fortinet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-55599
- 2026-10-03 Alias added: GHSA-j5ff-wp9g-xph9
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-2024-55599 · CVE Program
- CVE-2024-55599 · NVD
- FIRST EPSS
- GHSA-j5ff-wp9g-xph9 · 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