CVE-2025-53379
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk31th percentile - higher than 31% of all known CVEs
Summary
An out-of-bounds read vulnerability in Fortinet FortiAuthenticator versions 6.6.0 through 6.6.2 and all versions of 6.5 may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.
Risk Assessment
The risk involves potential leakage of confidential data such as passwords or keys without authentication, which could lead to compromise of the entire infrastructure.
Recommendation
It is recommended to immediately upgrade Fortinet FortiAuthenticator to version 6.6.3 or later, and for version 6.5 to version 6.5.4 or later, and implement firewall rules to block unauthorized requests.
Other vulnerabilities in FortiAuthenticator
Original NVD description (English source)
A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.

