How severe is CVE-2025-57823?

CVE-2025-57823 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-57823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-57823?

CVE-2025-57823 affects Fortinet Fortiauthenticator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-57823?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-57823 have an EU (EUVD) identifier?

Yes. CVE-2025-57823 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202275.

When was CVE-2025-57823 published?

CVE-2025-57823 was published on 2025-12-09 and last updated on 2026-06-17.

CVE-2025-57823

CVE-2025-57823 is a low-severity vulnerability in Fortinet Fortiauthenticator with a CVSS 3.x base score of 2.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-425.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202275
Weakness: CWE-425
Affected product: Fortinet Fortiauthenticator
Published: 2025-12-09
Last modified: 2026-06-17

Description

A direct request ('forced browsing') vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow an authenticated attacker with at least sponsor permissions to read and download device logs via accessing specific endpoints

Frequently asked questions

What is CVE-2025-57823?: A direct request ('forced browsing') vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow an authenticated attacker with at least sponsor permissions to read and download device logs via accessing specific endpoints
How severe is CVE-2025-57823?: CVE-2025-57823 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-57823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-57823?: CVE-2025-57823 affects Fortinet Fortiauthenticator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-57823?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-57823 have an EU (EUVD) identifier?: Yes. CVE-2025-57823 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202275.
When was CVE-2025-57823 published?: CVE-2025-57823 was published on 2025-12-09 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-554

Affected products (1)

cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*

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