Read the docs
TI-2022-18008 Aliases CVE-2022-38381GHSA-4gfr-r6w7-j6c3

An improper handling of malformed request vulnerability [CWE-228] exists in FortiADC 5.0…

Priority MEDIUM 50Published · 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 · NVD. Fix status from CNA.

Summary

An improper handling of malformed request vulnerability [CWE-228] exists in FortiADC 5.0 all versions, 6.0.0 all versions, 6.1.0 all versions, 6.2.0 through 6.2.3, and 7.0.0 through 7.0.2. This may allow a remote attacker without privileges to bypass some Web Application Firewall (WAF) protection such as the SQL Injection and XSS filters via a malformed HTTP request.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00803 56th 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
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
FortinetFortinet FortiADCFortiADC 7.0.2, 7.0.1, 7.0.0, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.1.6, 6.1.5, 6.1.4, 6.1.3, 6.1.2, 6.1.1, 6.1.0, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0, 5.3.7, 5.3.6, 5.3.5, 5.3.4, 5.3.3, 5.3.2, 5.3.1, 5.3.0, 5.2.8, 5.2.7, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1.7, 5.1.6, 5.1.5, 5.1.4, 5.1.3, 5.1.2, 5.1.1, 5.1.0, 5.0.4, 5.0.3, 5.0.2, 5.0.1, 5.0.0—No fix listedCNA
  • Fortinet FortiADC VendorFortinet Affected FortiADC 7.0.2, 7.0.1, 7.0.0, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.1.6, 6.1.5, 6.1.4, 6.1.3, 6.1.2, 6.1.1, 6.1.0, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0, 5.3.7, 5.3.6, 5.3.5, 5.3.4, 5.3.3, 5.3.2, 5.3.1, 5.3.0, 5.2.8, 5.2.7, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1.7, 5.1.6, 5.1.5, 5.1.4, 5.1.3, 5.1.2, 5.1.1, 5.1.0, 5.0.4, 5.0.3, 5.0.2, 5.0.1, 5.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:*5.0.0 – 5.0.4; 5.1.0 – 5.1.7; 5.2.0 – 5.2.8; 5.3.0 – 5.3.7; 5.4.0 – 5.4.5; 6.0.0 – 6.0.4; 6.1.0 – 6.1.6; 6.2.0 – 6.2.3; 7.0.0 – 7.0.2VulnerableFortinet
  • cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:* Versions 5.0.0 – 5.0.4; 5.1.0 – 5.1.7; 5.2.0 – 5.2.8; 5.3.0 – 5.3.7; 5.4.0 – 5.4.5; 6.0.0 – 6.0.4; 6.1.0 – 6.1.6; 6.2.0 – 6.2.3; 7.0.0 – 7.0.2 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-38381
  2. 2026-10-03 Alias added: GHSA-4gfr-r6w7-j6c3

References

  • TI-2018-09612 Incorrect permission assignment in Fortinet FortiOS, fortiADC KEVCVSS 3.1MEDIUM 4.3
  • 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
  • TI-2022-16288 OS command injection in Fortinet FortiADC CVSS 3.1HIGH 8.8
See all 42 →

Sources