Insufficient Session Expiration in Fortinet FortiClientEMS



| Updated: 2025-03-31
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-24019
CWE-ID CWE-613
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 FortiClientEMS
Other software / Other software solutions

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Insufficient Session Expiration

EUVDB-ID: #VU57075

Risk: High

CVSSv4.0: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2021-24019

CWE-ID: CWE-613 - Insufficient Session Expiration

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to insufficient session expiration issue. A remote non-authenticated attacker can reuse the unexpired admin user session IDs to gain admin privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiClientEMS: 6.2.0 - 6.4.2

CPE2.3 External links

https://www.fortiguard.com/psirt/FG-IR-20-072


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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