CVE-2021-24019 Auth bypass in Fortinet FortiClientEMS
Attackers can reuse unexpired admin session IDs to gain administrative privileges in FortiClient EMS if they obtain the session ID.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-24019?
CVE-2021-24019 is a high-severity authentication bypass vulnerability in Fortinet FortiClientEMS, published on 6 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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)
Weakness: CWE-613
Which versions are affected by CVE-2021-24019?
It affects 1 product.
Products include Fortinet Forticlient Endpoint Management Server.
How do I fix CVE-2021-24019?
No fix has been published for CVE-2021-24019 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-24019 being exploited?
There is no known exploitation of CVE-2021-24019 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Fortinet FortiClientEMS
Sources
Also known as GHSA-qw2f-33vp-25mq.