CVE-2021-43204

4.4 mediumEPSS 0.4%

Medium (4.4) in fortinet forticlient. EPSS 0.4% chance of exploitation in the next 30 days.

A improper control of a resource through its lifetime in Fortinet FortiClientWindows version 6.4.1 and 6.4.0, version 6.2.9 and below, version 6.0.10 and below allows attacker to cause a complete denial of service of its components via changes of directory access permissions.

Severity

CVSS 3.1

4.4 medium

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
Published: 2021-12-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:forticlient

References

https://fortiguard.com/advisory/FG-IR-21-167
https://fortiguard.com/advisory/FG-IR-21-167

Check your stack JSON