Improper Access Control Vulnerability in FortiMail by Fortinet
CVE-2023-47539

9CRITICAL

Key Information:

Vendor

Fortinet
Status
Fortimail
Vendor
CVE Published:
18 March 2025

What is CVE-2023-47539?

An access control vulnerability in FortiMail version 7.4.0, particularly when configured with RADIUS authentication and remote_wildcard enabled, may allow an unauthenticated attacker to bypass administrative login protections. This is accomplished through specially crafted HTTP requests that exploit the weakness in the system's design.

Affected Version(s)

FortiMail 7.4.0

References

https://fortiguard.com/psirt/FG-IR-23-439

CVSS V3.1

Score:
9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2023-47539 : Improper Access Control Vulnerability in FortiMail by Fortinet