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TI-2023-27414 Aliases CVE-2023-50178GHSA-mfjr-xfrh-92cf

Improper certificate validation in Fortinet FortiADC

Priority LOW 34CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Spoofing
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.

Summary

An improper certificate validation vulnerability [CWE-295] in FortiADC 7.4.0, 7.2.0 through 7.2.3, 7.1 all versions, 7.0 all versions, 6.2 all versions, 6.1 all versions and 6.0 all versions may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the device and various remote servers such as private SDN connectors and FortiToken Cloud.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.002 9th 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
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiADC7.1.0; 7.0.0 – 7.0.2; 6.2.0 – 6.2.6; 6.1.0 – 6.1.6; 6.0.0 – 6.0.4—No fix listedCNA
  • FortiADC VendorFortinet Affected 7.1.0; 7.0.0 – 7.0.2; 6.2.0 – 6.2.6; 6.1.0 – 6.1.6; 6.0.0 – 6.0.4 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:*6.0.0 – 6.0.4; 6.1.0 – 6.1.6; 6.2.0 – 6.2.6; 7.0.0 – 7.0.2; 7.1.0 – 7.2.3VulnerableFortinet
cpe:2.3:a:fortinet:fortiadc:7.4.0:*:*:*:*:*:*:*7.4.0VulnerableFortinet
  • cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:* Versions 6.0.0 – 6.0.4; 6.1.0 – 6.1.6; 6.2.0 – 6.2.6; 7.0.0 – 7.0.2; 7.1.0 – 7.2.3 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortiadc: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-2023-50178
  2. 2026-10-03 Alias added: GHSA-mfjr-xfrh-92cf

References

Advisory 1

  • TI-2018-09612 Incorrect permission assignment in Fortinet FortiOS, fortiADC KEVCVSS 3.1MEDIUM 4.3
  • TI-2022-18008 An improper handling of malformed request vulnerability [CWE-228] exists in FortiADC 5.0… CVSS 3.1CRITICAL 9.8
  • TI-2023-10904 A permissive cross-domain policy with untrusted domains vulnerability in Fortinet… CVSS 3.1CRITICAL 9.1
  • TI-2022-18913 OS command injection in Fortinet FortiADC CVSS 3.1HIGH 8.8
  • TI-2022-18001 Cross-site scripting in Fortinet FortiADC CVSS 3.1HIGH 8.8
  • TI-2023-11386 Improper access control in Fortinet FortiADC CVSS 3.1HIGH 8.8
See all 42 →

Sources

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