CVE-2025-53379: High severity Fortinet FortiAuthenticator vulnerability
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Fortinet FortiAuthenticatorto a version that resolves this vulnerability.Fixed in 6.6.3
Event History
Frequently Asked Questions
What is the severity of CVE-2025-53379?
The severity of CVE-2025-53379 is classified as high with a score of 7.
How do I fix CVE-2025-53379?
To fix CVE-2025-53379, upgrade to FortiAuthenticator version 6.6.3 or later, or apply any available patches provided by Fortinet.
What type of vulnerability is CVE-2025-53379?
CVE-2025-53379 is an out-of-bounds read vulnerability that affects Fortinet FortiAuthenticator.
Can CVE-2025-53379 be exploited remotely?
Yes, CVE-2025-53379 can be exploited remotely by unauthenticated attackers.
What information can be leaked due to CVE-2025-53379?
CVE-2025-53379 may allow attackers to retrieve sensitive information from the FortiAuthenticator.