Home/CVE/A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below,
CVE

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,

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.

HIGH · CVSS 8.4 EPSS 0.00058
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-668Exposure of Resource to Wrong Sphere
▤

Affected Products & Versions

2
fortinet forticlient>= 6.0.0 and < 6.4.7
fortinet forticlient>= 7.0.0 and < 7.0.3
▣

Scoring & Timeline

8.4
HIGH · CVSS v3.1 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2022 · 04:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.com/advisory/FG-IR-21-154Vendor Advisory
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