CVE-2025-53379
HIGHCVSS 7.5/10EPSS 0.39%
Last modified
CVE-2025-53379 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiauthenticator | >= 6.5.0, <= 6.5.7 |
| Fortinet | Fortiauthenticator | >= 6.6.0, <= 6.6.2 |
References
- https://fortiguard.fortinet.com/psirt/FG-IR-26-146Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-53379?
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.
How severe is CVE-2025-53379?
CVE-2025-53379 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2025-53379?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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- CVE-2025-53380Rejected reason: Not used
- CVE-2025-53381Rejected reason: Not used
- CVE-2025-53382Rejected reason: Not used
- CVE-2025-53383Rejected reason: Not used
- CVE-2025-53384Rejected reason: Not used
Are you affected by CVE-2025-53379?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST