Read the docs
TI-2024-27015 Aliases CVE-2024-40590GHSA-2f9m-x58v-pcqf

Improper certificate validation in Fortinet FortiPortal

Priority LOW 20CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Spoofing
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-295.

Summary

An improper certificate validation vulnerability [CWE-295] in FortiPortal version 7.4.0, version 7.2.4 and below, version 7.0.8 and below, version 6.0.15 and below when connecting to a FortiManager device, a FortiAnalyzer device, or an SMTP server may allow an unauthenticated attacker in a Man-in-the-Middle position to intercept on and tamper with the encrypted communication channel established between the FortiPortal and those endpoints.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00164 5th 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

VendorProductAffected versionsFixed inStatusSource
FortinetFortiPortal7.4.0; 7.2.0 – 7.2.4; 7.0.0 – 7.0.8; 6.0.0 – 6.0.15—No fix listedCNA
  • FortiPortal VendorFortinet Affected 7.4.0; 7.2.0 – 7.2.4; 7.0.0 – 7.0.8; 6.0.0 – 6.0.15 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*6.0.0 to before 7.0.9; 7.2.0 to before 7.2.5VulnerableFortinet
cpe:2.3:a:fortinet:fortiportal:7.4.0:*:*:*:*:*:*:*7.4.0VulnerableFortinet
  • cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* Versions 6.0.0 to before 7.0.9; 7.2.0 to before 7.2.5 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortiportal:7.4.0:*:*:*:*:*:*:* Versions 7.4.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-40590
  2. 2026-10-03 Alias added: GHSA-2f9m-x58v-pcqf

References

Advisory 1

  • TI-2021-12259 Hard-coded credentials in Fortinet FortiPortal CVSS 3.1CRITICAL 9.8
  • TI-2021-12260 Use after free in Fortinet FortiManager CVSS 3.1CRITICAL 9.8
  • TI-2024-14445 Authorization bypass in Fortinet FortiPortal CVSS 3.1MEDIUM 4.3
  • TI-2017-05005 Improper input validation in Fortinet FortiPortal CVSS 3.0CRITICAL 9.8
  • TI-2024-17109 Missing authentication in Fortinet FortiManager CVSS 3.1CRITICAL 9.8
  • TI-2017-05000 Incorrect permission assignment in Fortinet FortiPortal CVSS 3.0CRITICAL 9.1
See all 44 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences