CVE-2020-6649
An insufficient session expiration vulnerability in FortiNet's FortiIsolator version 2.0.1 and...
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)
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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)
- Record
CVE-2020-6649- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-613
- Updated
- 2026-11-02
CVE ListNo score
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)
- Record
CVE-2020-6649- Updated
- 2026-11-02
EUVDEUVD-2020-27796No score
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)
- Record
EUVD-2020-27796- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qxf7-8j2m-38vqNo score
An insufficient session expiration vulnerability in FortiNet's FortiIsolator version 2.0.1 and...
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)
- Record
GHSA-qxf7-8j2m-38vq- Weakness
- CWE-613
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-6649 is a critical vulnerability (CVSS 9.8) in Fortinet Fortiisolator, published February 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.54%, the 75th percentile. No source names a fixed version.