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Vulnerability record · CVE-2020-6649 · published 8 February 2021

CVE-2020-6649: Fortinet fortiisolator insufficient session expiration vulnerability

Fortinet · Fortiisolator

An insufficient session expiration vulnerability in FortiNet's FortiIsolator version 2.0.1 and below may allow an attacker to reuse the unexpired admin user session IDs to gain admin privileges, should the attacker be able to obtain that session ID (via other, hypothetical attacks)

9.8 CVSS 3.1 Critical EPSS 1.5% · top 26.4% CWE-613 · Insufficient session expiration
9.8CVSS 3.1 base score, v2 7.5
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An insufficient session expiration vulnerability in FortiNet's FortiIsolator version 2.0.1 and below may allow an attacker to reuse the unexpired admin user session IDs to gain admin privileges, should the attacker be able to obtain that session ID (via other, hypothetical attacks)

CVSS:3.1/AV:N/AC:L/PR:N/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/advisory/FG-IR-20-011 Vendor Advisory
https://fortiguard.com/advisory/FG-IR-20-011 Vendor Advisory

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Related vulnerabilities

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

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%8.8CVE-2021-41020Fortinet fortiisolator vulnerabilityAn improper access control vulnerability [CWE-284] in FortiIsolator versions 2.3.2 and below may allow an authenticated, non privileged attacker to r…EPSS 0.61%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-2020-6649), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.