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CVE-2021-43204

MEDIUMCVSS 4.4/10EPSS 0.35%

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
4.4/10

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

EPSS Probability
0.35%

26.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
FortinetForticlient>= 5.0.0, <= 5.0.11
FortinetForticlient>= 5.4.0, <= 5.4.5
FortinetForticlient>= 5.6.0, <= 5.6.6
FortinetForticlient>= 6.0.0, <= 6.0.10
FortinetForticlient>= 6.2.0, <= 6.2.9
FortinetForticlient4.0.1
FortinetForticlient4.0.2
FortinetForticlient4.0.3
FortinetForticlient4.0.4
FortinetForticlient4.1.0
FortinetForticlient4.1.1
FortinetForticlient4.1.2
FortinetForticlient4.1.3
FortinetForticlient4.2.0
FortinetForticlient4.2.1
FortinetForticlient4.2.2
FortinetForticlient4.2.3
FortinetForticlient4.2.4
FortinetForticlient4.2.5
FortinetForticlient4.2.6
FortinetForticlient4.2.7
FortinetForticlient4.3.0
FortinetForticlient4.3.1
FortinetForticlient4.3.2
FortinetForticlient4.3.3
FortinetForticlient4.3.4
FortinetForticlient4.3.5
FortinetForticlient5.2.0
FortinetForticlient5.2.1
FortinetForticlient5.2.2
FortinetForticlient5.2.3
FortinetForticlient5.2.4
FortinetForticlient5.2.5
FortinetForticlient5.2.6
FortinetForticlient6.4.0
FortinetForticlient6.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-43204?
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.
How severe is CVE-2021-43204?
CVE-2021-43204 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43204?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43204?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST