Information disclosure in Fortinet FortiGate
Priority LOW 29CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
The implementation of an ANSI X9.31 RNG in Fortinet FortiGate allows attackers to gain unauthorized read access to data handled by the device via IPSec/TLS decryption.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01423 73rd percentileScored 2026-11-07
Fix Fixed Fortinet FortiGate (Fortinet): 5.0
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 | Fortinet FortiGate | before 5.0 | 5.0 | Patch available | CNA |
- Fortinet FortiGate VendorFortinet Affected before 5.0 Fixed in 5.0 Patch available CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | up to 4.3.18 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:4.3.0:*:*:*:*:*:*:* | 4.3.0 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:4.3.10:*:*:*:*:*:*:* | 4.3.10 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:4.3.12:*:*:*:*:*:*:* | 4.3.12 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:4.3.13:*:*:*:*:*:*:* | 4.3.13 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:4.3.14:*:*:*:*:*:*:* | 4.3.14 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:4.3.15:*:*:*:*:*:*:* | 4.3.15 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:4.3.16:*:*:*:*:*:*:* | 4.3.16 | Vulnerable | Fortinet |
| cpe:2.3:o:fortinet:fortios:4.3.17:*:*:*:*:*:*:* | 4.3.17 | Vulnerable | Fortinet |
- cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* Versions up to 4.3.18 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:4.3.10:*:*:*:*:*:*:* Versions 4.3.10 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:4.3.12:*:*:*:*:*:*:* Versions 4.3.12 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:4.3.13:*:*:*:*:*:*:* Versions 4.3.13 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:4.3.14:*:*:*:*:*:*:* Versions 4.3.14 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:4.3.15:*:*:*:*:*:*:* Versions 4.3.15 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:4.3.16:*:*:*:*:*:*:* Versions 4.3.16 Vulnerable ·Fortinet
- cpe:2.3:o:fortinet:fortios:4.3.17:*:*:*:*:*:*:* Versions 4.3.17 Vulnerable ·Fortinet
Remediation
- Fix · CNA Fortinet FortiGate (Fortinet) Fixed in 5.0
Timeline
- 2026-10-02 Threatist record created from CVE-2016-8492
- 2026-10-03 Alias added: GHSA-m77f-rqj8-qpp9
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-2016-8492 · CVE Program
- CVE-2016-8492 · NVD
- FIRST EPSS
- GHSA-m77f-rqj8-qpp9 · 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