Vulnerability in Fortinet Forticlient

CVE-2021-43066

A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below allows attacker to escalate privilege via the MSI installer.

EPSS: 0.002 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.

Affected products

  • Fortinet Forticlient
  • Fortinet Forticlientwindows — versions FortiClientWindows 7.0.2 7.0.1, 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-43066?
CVE-2021-43066 is a high-severity vulnerability in Fortinet Forticlient, classified under Exposure of Resource to Wrong Sphere. CVSS score: 8.4/10. Published 2022-05-11.
How severe is CVE-2021-43066?
High severity. CVSS v3 base score is 8.4 out of 10.