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9.8

CVE-2021-24019: An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS versions 6.4.2 and below, 6.2.8 and below may allow an attacker to reuse the unexpired admin user session IDs to gain a...

CVE-2021-24019 · published 5 years ago
Summary

An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS versions 6.4.2 and below, 6.2.8 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...

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
fortinet forticlient_endpoint_management_server < 6.2.9
>= 6.4.0, < 6.4.2
cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:*
Original advisory text
An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS versions 6.4.2 and below, 6.2.8 and below may allow an attacker to reuse the unexpired admin user session IDs to gain a...
An insufficient session expiration vulnerability [CWE- 613] in FortiClientEMS versions 6.4.2 and below, 6.2.8 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)
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
5% chance of attack within 30 days
Type
CWE-613Insufficient Session Expiration
Timeline
Published6 Oct 2021
Updated1 Nov 2026
First seen29 Sep 2026
Sources
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