CVE-2024-40590 Security feature bypass in FortiPortal
An unauthenticated attacker in a Man-in-the-Middle position can intercept and tamper with encrypted communications between FortiPortal and backend devices due to improper certificate validation.
- 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-2024-40590?
CVE-2024-40590 is a medium-severity vulnerability in Fortinet FortiPortal, published on 14 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper certificate validation vulnerability [CWE-295] in FortiPortal version 7.4.0, version 7.2.4 and below, version 7.0.8 and below, version 6.0.15 and below when connecting to a FortiManager device, a FortiAnalyzer device, or an SMTP server may allow an unauthenticated attacker in a Man-in-the-Middle position to intercept on and tamper with the encrypted communication channel established between the FortiPortal and those endpoints.
Weakness: CWE-295
Which versions are affected by CVE-2024-40590?
It affects 1 product.
Products include Fortinet Fortiportal.
How do I fix CVE-2024-40590?
No fix has been published for CVE-2024-40590 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-40590 being exploited?
There is no known exploitation of CVE-2024-40590 in the wild and no public exploit code.
Other vulnerabilities in Fortinet FortiPortal
Sources
Also known as GHSA-2f9m-x58v-pcqf.