FortiPortal <=7.4.0 Improper Cert Validation to FM, FA, SMTP - MITM
CVE-2024-40590 Published on March 14, 2025
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.
Vulnerability Analysis
CVE-2024-40590 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Improper Certificate Validation
The software does not validate, or incorrectly validates, a certificate. When a certificate is invalid or malicious, it might allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client. The software might connect to a malicious host while believing it is a trusted host, or the software might be deceived into accepting spoofed data that appears to originate from a trusted host.
Products Associated with CVE-2024-40590
Want to know whenever a new CVE is published for Fortinet Fortiportal? stack.watch will email you.
Affected Versions
Fortinet FortiPortal:- Version 7.4.0 is affected.
- Version 7.2.0, <= 7.2.4 is affected.
- Version 7.0.0, <= 7.0.8 is affected.
- Version 6.0.0, <= 6.0.15 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.