A missing critical step in authentication vulnerability [CWE-304] in Fortinet FortiOS…
Priority LOW 30CWE-304Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A missing critical step in authentication vulnerability [CWE-304] in Fortinet FortiOS version 7.6.0 through 7.6.1, 7.4.0 through 7.4.5, 7.2.0 through 7.2.10, and before 7.0.16 & FortiProxy version 7.6.0 through 7.6.1, 7.4.0 through 7.4.8, 7.2.0 through 7.2.13 and before 7.0.20 allows an API-user using api-key + PKI user certificate authentication to login even if the certificate is invalid.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00296 22nd 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 | FortiOS | 7.6.0 – 7.6.1; 7.4.0 – 7.4.5; 7.2.0 – 7.2.10; 7.0.1 – 7.0.16 | — | No fix listed | CNA |
| Fortinet | FortiProxy | 7.6.0 – 7.6.1; 7.4.0 – 7.4.8; 7.2.0 – 7.2.13; 7.0.0 – 7.0.20 | — | No fix listed | CNA |
- FortiOS VendorFortinet Affected 7.6.0 – 7.6.1; 7.4.0 – 7.4.5; 7.2.0 – 7.2.10; 7.0.1 – 7.0.16 Fixed in — No fix listed CNA
- FortiProxy VendorFortinet Affected 7.6.0 – 7.6.1; 7.4.0 – 7.4.8; 7.2.0 – 7.2.13; 7.0.0 – 7.0.20 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 7.0.21; 7.2.0 to before 7.2.14; 7.4.0 to before 7.4.9; 7.6.0 to before 7.6.2 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | 7.0.1 to before 7.0.17; 7.2.0 to before 7.2.11; 7.4.0 to before 7.4.6 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:* | 7.6.0 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:* | 7.6.1 | Vulnerable | Fortinet |
- cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.0.21; 7.2.0 to before 7.2.14; 7.4.0 to before 7.4.9; 7.6.0 to before 7.6.2 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* Versions 7.0.1 to before 7.0.17; 7.2.0 to before 7.2.11; 7.4.0 to before 7.4.6 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:* Versions 7.6.0 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:* Versions 7.6.1 Vulnerable ·Fortinet
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-52965
- 2026-10-03 Alias added: GHSA-3jrw-g6mq-cx56
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-2024-52965 · CVE Program
- CVE-2024-52965 · NVD
- FIRST EPSS
- GHSA-3jrw-g6mq-cx56 · GitHub Advisory Database · CC BY 4.0
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