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TI-2025-37319 Aliases CVE-2025-59923GHSA-g43v-3rf4-64c9

Improper access control in Fortinet FortiAuthenticator

Priority LOW 13CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

An improper access control 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 read-only admin permission to obtain the credentials of other administrators' messaging services via crafted requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00213 11th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiAuthenticator6.6.0 – 6.6.6; 6.5.0 – 6.5.6; 6.4.0 – 6.4.10—No fix listedCNA
  • FortiAuthenticator VendorFortinet Affected 6.6.0 – 6.6.6; 6.5.0 – 6.5.6; 6.4.0 – 6.4.10 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*6.3.0 – 6.6.4VulnerableFortinet
  • cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:* Versions 6.3.0 – 6.6.4 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-59923
  2. 2026-10-03 Alias added: GHSA-g43v-3rf4-64c9

References

Advisory 1

  • TI-2026-32249 Improper access control in Fortinet FortiAuthenticator CVSS 3.1CRITICAL 9.1
  • TI-2021-08066 OS command injection in Fortinet FortiAuthenticator CVSS 3.1HIGH 8.8
  • TI-2021-05114 Uncontrolled resource consumption in Fortinet FortiSandbox, FortiAuthenticator CVSS 3.1HIGH 7.5
  • TI-2013-05746 FortiGuard FortiAuthenticator before 3.0 allows remote administrators to gain privileges via the command line interface. CVSS 2.0HIGH 9.0
  • TI-2021-19130 Information disclosure in Fortinet FortiAuthenticator CVSS 3.1HIGH 8.3
  • TI-2015-01319 Fortinet FortiAuthenticator 3.0.0 has a password of (1) slony for the slony PostgreSQL… CVSS 2.0HIGH 7.5
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences