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TI-2023-24386 Aliases CVE-2023-45582GHSA-jf4v-mhj5-v7mx

Missing brute-force protection in Fortinet FortiMail

Priority LOW 33CWE-307Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-307.

Summary

An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiMail webmail version 7.2.0 through 7.2.4, 7.0.0 through 7.0.6 and before 6.4.8 may allow an unauthenticated attacker to  perform a brute force attack on the affected endpoints via repeated login attempts.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00522 44th 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
FortinetFortiMail7.4.0; 7.2.0 – 7.2.4; 7.0.0 – 7.0.6; 6.4.0 – 6.4.8; 6.2.0 – 6.2.9—No fix listedCNA
  • FortiMail VendorFortinet Affected 7.4.0; 7.2.0 – 7.2.4; 7.0.0 – 7.0.6; 6.4.0 – 6.4.8; 6.2.0 – 6.2.9 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*6.2.0 – 6.2.9; 6.4.0 – 6.4.8; 7.0.0 – 7.0.6; 7.2.0 – 7.2.4VulnerableFortinet
cpe:2.3:a:fortinet:fortimail:7.4.0:*:*:*:*:*:*:*7.4.0VulnerableFortinet
  • cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:* Versions 6.2.0 – 6.2.9; 6.4.0 – 6.4.8; 7.0.0 – 7.0.6; 7.2.0 – 7.2.4 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortimail:7.4.0:*:*:*:*:*:*:* Versions 7.4.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-45582
  2. 2026-10-03 Alias added: GHSA-jf4v-mhj5-v7mx

References

Advisory 1

  • TI-2026-65779 Path traversal in Fortinet FortiMail KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-23811 Stack-based buffer overflow in Fortinet FortiNDR KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-07433 Improper authentication in Fortinet FortiMail CVSS 3.1CRITICAL 9.8
  • TI-2021-14584 An improper authentication vulnerability in FortiMail before 7.0.1 may allow a remote… CVSS 3.1CRITICAL 9.8
  • TI-2021-06324 SQL injection in Fortinet FortiMail CVSS 3.1CRITICAL 9.8
  • TI-2023-25708 Improper access control in Fortinet FortiMail CVSS 3.1CRITICAL 9.0
See all 46 →

Sources

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