Insufficient session expiration in Fortinet FortiOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-613.
Summary
An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL-VPN version 7.6.0, version 7.4.6 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions may allow an attacker in possession of a cookie used to log in the SSL-VPN portal to log in again, although the session has expired or was logged out.
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; 7.4.6; 7.4.0 – 7.4.4; 7.2.0 – 7.2.10; 7.0.0 – 7.0.17; 6.4.0 – 6.4.16 | — | No fix listed | CNA |
| Fortinet | FortiPAM | 1.4.0 – 1.4.1; 1.3.0; 1.2.0; 1.1.0 – 1.1.2; 1.0.0 – 1.0.3 | — | No fix listed | CNA |
| Fortinet | FortiProxy | 7.6.0; 7.4.0 – 7.4.5; 7.2.0 – 7.2.14; 7.0.0 – 7.0.20; 2.0.0 – 2.0.14 | — | No fix listed | CNA |
- FortiOS VendorFortinet Affected 7.6.0; 7.4.6; 7.4.0 – 7.4.4; 7.2.0 – 7.2.10; 7.0.0 – 7.0.17; 6.4.0 – 6.4.16 Fixed in — No fix listed CNA
- FortiPAM VendorFortinet Affected 1.4.0 – 1.4.1; 1.3.0; 1.2.0; 1.1.0 – 1.1.2; 1.0.0 – 1.0.3 Fixed in — No fix listed CNA
- FortiProxy VendorFortinet Affected 7.6.0; 7.4.0 – 7.4.5; 7.2.0 – 7.2.14; 7.0.0 – 7.0.20; 2.0.0 – 2.0.14 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-50562
- 2026-10-03 Alias added: GHSA-3vr5-764g-c3pw
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-2024-50562 · CVE Program
- CVE-2024-50562 · NVD
- FIRST EPSS
- GHSA-3vr5-764g-c3pw · 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