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TI-2022-18918 Aliases CVE-2022-39952GHSA-4wjq-4wff-qw9c

Exposure of resource to wrong sphere in Fortinet FortiNAC

Priority CRITICAL 94CWE-73Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP request.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.99794 99th 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
Yes
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
FortinetFortiNAC9.4.0; 9.2.0 – 9.2.5; 9.1.0 – 9.1.7; 8.8.0 – 8.8.11; 8.7.0 – 8.7.6; 8.6.0 – 8.6.5; 8.5.0 – 8.5.4; 8.3.7—No fix listedCNA
  • FortiNAC VendorFortinet Affected 9.4.0; 9.2.0 – 9.2.5; 9.1.0 – 9.1.7; 8.8.0 – 8.8.11; 8.7.0 – 8.7.6; 8.6.0 – 8.6.5; 8.5.0 – 8.5.4; 8.3.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*8.3.7 – 8.8.9; 9.1.0 to before 9.1.8; 9.2.0 to before 9.2.6; 9.4.0 to before 9.4.1VulnerableFortinet
  • cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:* Versions 8.3.7 – 8.8.9; 9.1.0 to before 9.1.8; 9.2.0 to before 9.2.6; 9.4.0 to before 9.4.1 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-39952
  2. 2026-10-03 Alias added: GHSA-4wjq-4wff-qw9c

References

  • TI-2023-16458 Deserialization of untrusted data in Fortinet FortiNAC CVSS 3.1CRITICAL 9.8
  • TI-2022-18002 Improper authorization in Fortinet FortiNAC CVSS 3.1CRITICAL 9.8
  • TI-2022-18920 XML external entity injection in Fortinet FortiNAC CVSS 3.1CRITICAL 9.1
  • TI-2024-20852 Cross-site scripting in Fortinet FortiNAC CVSS 3.1CRITICAL 9.0
  • TI-2023-16459 Command injection in Fortinet FortiNAC CVSS 3.1MEDIUM 4.8
  • TI-2023-08814 Cross-site scripting in Fortinet FortiNAC CVSS 3.1CRITICAL 9.0
See all 29 →

Sources