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TI-2021-17886 Aliases CVE-2021-41022GHSA-6v99-v9qx-m2mr

Improper privilege management in Fortinet FortiSIEMWindowsAgent

Priority LOW 35CWE-269Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
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-269.

Summary

A improper privilege management in Fortinet FortiSIEM Windows Agent version 4.1.4 and below allows attacker to execute privileged code or commands via powershell scripts

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00215 11th 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
FortinetFortinet FortiSIEMWindowsAgentFortiSIEMWindowsAgent 4.1.4, 4.1.3, 4.1.2, 4.1.1, 4.1.0, 4.0.0, 3.3.0, 3.2.2, 3.2.1, 3.2.0, 3.1.2, 3.1.0—No fix listedCNA
  • Fortinet FortiSIEMWindowsAgent VendorFortinet Affected FortiSIEMWindowsAgent 4.1.4, 4.1.3, 4.1.2, 4.1.1, 4.1.0, 4.0.0, 3.3.0, 3.2.2, 3.2.1, 3.2.0, 3.1.2, 3.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*3.1.0 – 4.1.4VulnerableFortinet
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:* Versions 3.1.0 – 4.1.4 Vulnerable ·Fortinet
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41022
  2. 2026-10-03 Alias added: GHSA-6v99-v9qx-m2mr

References

Advisory 1

  • TI-2024-15229 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8
  • TI-2023-17481 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8
  • TI-2025-18918 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8
  • TI-2025-39605 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.4
  • TI-2024-15230 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8
  • TI-2023-18387 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8
See all 31 →

Sources

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