CVE-2023-47539: An improper access control vulnerability in FortiMail version 7.4.0 configured with RADIUS authentication and remote_wildcard enabled may allow a remote…

PriorityP263critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.07%

61.0th percentile

An improper access control vulnerability in FortiMail version 7.4.0 configured with RADIUS authentication and remote_wildcard enabled may allow a remote unauthenticated attacker to bypass admin login via a crafted HTTP request.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
fortinet	fortimail	—	—
fortinet	fortimail	—	—

Detection & IOCsextracted from sources · hover to see the quote

→Target product and version: FortiMail 7.4.0 with RADIUS authentication and remote_wildcard enabled is the vulnerable configuration; monitor for unauthenticated admin login bypass attempts via crafted HTTP requests ↗

·Vulnerability is only exploitable when FortiMail 7.4.0 is configured with BOTH RADIUS authentication AND remote_wildcard enabled; deployments without this combination are not affected ↗

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.