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TI-2023-09577 Aliases CVE-2023-23777GHSA-fc54-jgr7-hvmx

OS command injection in Fortinet FortiWeb

Priority LOW 36CWE-78Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.18 and below may allow a privileged attacker to execute arbitrary bash commands via crafted cli backup parameters.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01322 71st 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
FortinetFortiWeb7.0.0 – 7.0.1; 6.4.0 – 6.4.3; 6.3.6 – 6.3.18—No fix listedCNA
  • FortiWeb VendorFortinet Affected 7.0.0 – 7.0.1; 6.4.0 – 6.4.3; 6.3.6 – 6.3.18 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*6.3.6 – 6.3.18; 6.4.0 – 6.4.3VulnerableFortinet
cpe:2.3:a:fortinet:fortiweb:7.0.0:*:*:*:*:*:*:*7.0.0VulnerableFortinet
cpe:2.3:a:fortinet:fortiweb:7.0.1:*:*:*:*:*:*:*7.0.1VulnerableFortinet
  • cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:* Versions 6.3.6 – 6.3.18; 6.4.0 – 6.4.3 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortiweb:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortiweb:7.0.1:*:*:*:*:*:*:* Versions 7.0.1 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-23777
  2. 2026-10-03 Alias added: GHSA-fc54-jgr7-hvmx

References

Advisory 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2025-39856 Path traversal in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2025-18919 SQL injection in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-35886 OS command injection in Fortinet FortiWeb KEVCVSS 3.1MEDIUM 6.7
  • TI-2021-05113 OS command injection in Fortinet FortiWeb CVSS 3.1HIGH 8.8
  • TI-2021-18960 Stack-based buffer overflow in Fortinet FortiWeb CVSS 3.1CRITICAL 9.8
See all 125 →

Sources

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