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Vulnerability record · CVE-2021-41020 · published 4 May 2022

CVE-2021-41020: Fortinet fortiisolator vulnerability

Fortinet · Fortiisolator

An improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and below may allow an authenticated, non privileged attacker to regenerate the CA certificate via the regeneration URL.

8.8 CVSS 3.1 High EPSS 0.61% · top 53.1%
8.8CVSS 3.1 base score, v2 6.5
0.61%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and below may allow an authenticated, non privileged attacker to regenerate the CA certificate via the regeneration URL.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://fortiguard.com/psirt/FG-IR-21-040 Vendor Advisory
https://fortiguard.com/psirt/FG-IR-21-040 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-6649Fortinet fortiisolator insufficient session expiration vulnerabilityAn insufficient session expiration vulnerability in FortiNet's FortiIsolator version 2.0.1 and below may allow an attacker to reuse the unexpired adm…EPSS 1.5%9.1CVE-2024-33507Fortinet fortiisolator insufficient session expiration vulnerabilityAn insufficient session expiration vulnerability [CWE-613] and an incorrect authorization vulnerability [CWE-863] in FortiIsolator 2.4.0 through 2.4.…EPSS 0.39%8.8CVE-2024-55590Fortinet fortiisolator os command injection vulnerabilityMultiple improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerabilities [CWE-78] in Fortinet FortiIsolato…EPSS 1.0%7.8CVE-2022-22298Fortinet fortiisolator os command injection vulnerabilityA improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiIsolator version 1.0.0, FortiIsolator v…EPSS 0.46%7.2CVE-2024-54024Fortinet fortiisolator os command injection vulnerabilityAn improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiIsolator before…EPSS 1.2%6.7CVE-2024-27779Fortinet fortiisolator insufficient session expiration vulnerabilityAn insufficient session expiration vulnerability [CWE-613] in FortiSandbox FortiSandbox version 4.4.4 and below, version 4.2.6 and below, 4.0 all ver…EPSS 0.47%6.7CVE-2024-54025Fortinet fortiisolator os command injection vulnerabilityAn improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiIsolator CLI be…EPSS 0.45%5.4CVE-2020-6643Fortinet fortiisolator cross-site scripting vulnerabilityAn improper neutralization of input vulnerability in the URL Description in Fortinet FortiIsolator version 1.2.2 allows a remote authenticated attack…EPSS 0.84%

Source: NIST National Vulnerability Database (record CVE-2021-41020), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.