CVE-2022-33877

Name: CVE-2022-33877
Creator: NVD / NIST
Published: 2023-06-13T09:15:14.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2022-33877 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An incorrect default permission [CWE-276] vulnerability in FortiClient (Windows) versions 7.0.0 through 7.0.6 and 6.4.0 through 6.4.8 and FortiConverter (Windows) versions 6.2.0 through 6.2.1, 7.0.0 and all versions of 6.0.0 may allow a local authenticated attacker to tamper with files in the installation folder, if FortiClient or FortiConverter is installed in an insecure folder.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

An incorrect default permission [CWE-276] vulnerability in FortiClient (Windows) versions 7.0.0 through 7.0.6 and 6.4.0 through 6.4.8 and FortiConverter (Windows) versions 6.2.0 through 6.2.1, 7.0.0 and all versions of 6.0.0 may allow a local authenticated attacker to tamper with files in the installation folder, if FortiClient or FortiConverter is installed in an insecure folder.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.22%

12.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Fortinet	Forticlient	>= 6.4.0, <= 6.4.8
Fortinet	Forticlient	>= 7.0.0, <= 7.0.6
Fortinet	Forticonverter	>= 6.0.0, <= 6.0.3
Fortinet	Forticonverter	6.2.0
Fortinet	Forticonverter	6.2.1
Fortinet	Forticonverter	7.0.0

References

https://fortiguard.com/psirt/FG-IR-22-229Vendor Advisory
https://fortiguard.com/psirt/FG-IR-22-229Vendor Advisory

Timeline

Published: Jun 13, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-33877?

How severe is CVE-2022-33877?

CVE-2022-33877 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2022-33877?

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-2022-33877?

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

Scan your code now

Source: NVD / NIST