CVE-2021-43204
Last modified
CVE-2021-43204 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Forticlient | >= 5.0.0, <= 5.0.11 |
| Fortinet | Forticlient | >= 5.4.0, <= 5.4.5 |
| Fortinet | Forticlient | >= 5.6.0, <= 5.6.6 |
| Fortinet | Forticlient | >= 6.0.0, <= 6.0.10 |
| Fortinet | Forticlient | >= 6.2.0, <= 6.2.9 |
| Fortinet | Forticlient | 4.0.1 |
| Fortinet | Forticlient | 4.0.2 |
| Fortinet | Forticlient | 4.0.3 |
| Fortinet | Forticlient | 4.0.4 |
| Fortinet | Forticlient | 4.1.0 |
| Fortinet | Forticlient | 4.1.1 |
| Fortinet | Forticlient | 4.1.2 |
| Fortinet | Forticlient | 4.1.3 |
| Fortinet | Forticlient | 4.2.0 |
| Fortinet | Forticlient | 4.2.1 |
| Fortinet | Forticlient | 4.2.2 |
| Fortinet | Forticlient | 4.2.3 |
| Fortinet | Forticlient | 4.2.4 |
| Fortinet | Forticlient | 4.2.5 |
| Fortinet | Forticlient | 4.2.6 |
| Fortinet | Forticlient | 4.2.7 |
| Fortinet | Forticlient | 4.3.0 |
| Fortinet | Forticlient | 4.3.1 |
| Fortinet | Forticlient | 4.3.2 |
| Fortinet | Forticlient | 4.3.3 |
| Fortinet | Forticlient | 4.3.4 |
| Fortinet | Forticlient | 4.3.5 |
| Fortinet | Forticlient | 5.2.0 |
| Fortinet | Forticlient | 5.2.1 |
| Fortinet | Forticlient | 5.2.2 |
| Fortinet | Forticlient | 5.2.3 |
| Fortinet | Forticlient | 5.2.4 |
| Fortinet | Forticlient | 5.2.5 |
| Fortinet | Forticlient | 5.2.6 |
| Fortinet | Forticlient | 6.4.0 |
| Fortinet | Forticlient | 6.4.1 |
References
- https://fortiguard.com/advisory/FG-IR-21-167Patch, Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-167Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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