TI-2021-17887 Aliases CVE-2021-41023 GHSA-5vqp-64mp-pg5r

Insufficiently protected credentials in Fortinet FortiSIEMWindowsAgent

LOW 24CWE-522Published 2021-11-02 · Updated 2024-10-25

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-522.

Summary

A unprotected storage of credentials in Fortinet FortiSIEM Windows Agent version 4.1.4 and below allows an authenticated user to disclosure agent password due to plaintext credential storage in log files

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00219 12th 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: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Fortinet	Fortinet FortiSIEMWindowsAgent	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	—	No fix listed	CNA

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

CPE	Versions	Role	Vendor
cpe:2.3:a:fortinet:fortisiem::::::::	3.1.0 – 4.1.4	Vulnerable	Fortinet
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

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

2026-10-02 Threatist record created from CVE-2021-41023
2026-10-03 Alias added: GHSA-5vqp-64mp-pg5r

References

Advisory 1

https://fortiguard.com/advisory/FG-IR-21-175

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