FortiAuthenticator <6.6 Open Redirect via crafted URL
CVE-2024-23664 Published on June 3, 2024
A URL redirection to untrusted site ('open redirect') in Fortinet FortiAuthenticator version 6.6.0, version 6.5.3 and below, version 6.4.9 and below may allow an attacker to to redirect users to an arbitrary website via a crafted URL.
Vulnerability Analysis
CVE-2024-23664 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low 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
What is an Open Redirect Vulnerability?
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. An http parameter may contain a URL value and could cause the web application to redirect the request to the specified URL. By modifying the URL value to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials. Because the server name in the modified link is identical to the original site, phishing attempts have a more trustworthy appearance.
CVE-2024-23664 has been classified to as an Open Redirect vulnerability or weakness.
Products Associated with CVE-2024-23664
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Affected Versions
Fortinet FortiAuthenticator:- Version 6.6.0 is affected.
- Version 6.5.0, <= 6.5.3 is affected.
- Version 6.4.0, <= 6.4.9 is affected.
- Version 6.4.0, <= 6.4.9 is affected.
- Version 6.5.0, <= 6.5.3 is affected.
- Version 6.6.0 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.