VYPR
← All advisories
Medium severity4.4NVD Advisory· Published Dec 9, 2021· Updated Jun 17, 2026

CVE-2021-43204

CVE-2021-43204

Description

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.

Affected products

34
  • Fortinet/Forticlient33 versions
    cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*+ 32 more
    • cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*range: >=5.0.0,<=5.0.11
    • cpe:2.3:a:fortinet:forticlient:4.0.1:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.0.2:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.0.3:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.0.4:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.1.0:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.1.1:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.1.2:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.1.3:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.2.0:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.2.1:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.2.2:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.2.3:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.2.4:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.2.5:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.2.6:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.2.7:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.3.0:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.3.1:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.3.2:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.3.3:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.3.4:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:4.3.5:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:5.2.0:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:5.2.1:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:5.2.2:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:5.2.3:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:5.2.4:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:5.2.5:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:5.2.6:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:6.4.0:*:*:*:*:windows:*:*
    • cpe:2.3:a:fortinet:forticlient:6.4.1:*:*:*:*:windows:*:*
    • (no CPE)range: FortiClientWindows 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.10, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 5.6.6, 5.6.5, 5.6.4, 5.6.3, 5.6.2, 5.6.1, 5.6.0, 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.0.11, 5.0.10, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.1, 5.0.0, 4.3.5, 4.3.4, 4.3.3, 4.3.2, 4.3.1, 4.3.0, 4.2.7, 4.2.6, 4.2.5, 4.2.4, 4.2.3, 4.2.2, 4.2.1, 4.2.0, 4.1.3, 4.1.2, 4.1.1, 4.1.0, 4.0.4, 4.0.3, 4.0.2, 4.0.1
  • Fortinet/FortiClient Windowsllm-fuzzy
    Range: 6.4.1, 6.4.0, 6.2.9 and below, 6.0.10 and below

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.