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TI-2024-36903 Aliases CVE-2024-55590GHSA-vx56-xwhw-6m46

OS command injection in Fortinet FortiIsolator

Priority MEDIUM 41CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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

Multiple improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerabilities [CWE-78] in Fortinet FortiIsolator version 2.4.0 through 2.4.5 allows an authenticated attacker with at least read-only admin permission and CLI access to execute unauthorized code via specifically crafted CLI commands.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01021 63rd 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
FortinetFortiIsolator2.4.0 – 2.4.5—No fix listedCNA
  • FortiIsolator VendorFortinet Affected 2.4.0 – 2.4.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortiisolator:*:*:*:*:*:*:*:*2.4.0 to before 2.4.6VulnerableFortinet
  • cpe:2.3:a:fortinet:fortiisolator:*:*:*:*:*:*:*:* Versions 2.4.0 to before 2.4.6 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-55590
  2. 2026-10-03 Alias added: GHSA-vx56-xwhw-6m46

References

Advisory 1

  • TI-2020-05468 Insufficient session expiration in Fortinet FortiIsolator CVSS 3.1CRITICAL 9.8
  • TI-2024-22100 Insufficient session expiration in Fortinet FortiIsolator CVSS 3.1CRITICAL 9.1
  • TI-2021-17884 An improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and… CVSS 3.1HIGH 8.8
  • TI-2022-06628 OS command injection in Fortinet FortiIsolator CVSS 3.1HIGH 7.8
  • TI-2024-36177 OS command injection in Fortinet FortiIsolator CVSS 3.1HIGH 7.0
  • TI-2024-36178 OS command injection in Fortinet FortiIsolator CVSS 3.1MEDIUM 6.5
See all 9 →

Sources

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