← Vulnerability feed

Vulnerability record · CVE-2023-47539 · published 18 March 2025

CVE-2023-47539: Fortinet fortimail improper access control vulnerability

Fortinet · Fortimail

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.

9.8 CVSS 3.1 Critical EPSS 1.0% · top 37.5% CWE-284 · Improper access control
9.8CVSS 3.1 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

Track CVE-2023-47539 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-32756Fortinet FortiMail, FortiNDR, FortiVoice, FortiRecorder, FortiCamera stack buffer overflowA stack-based buffer overflow (CWE-121/CWE-787) in multiple Fortinet products is reachable by sending HTTP requests with a specially crafted hash coo…KEVEPSS 30%analysed9.8CVE-2021-32586Fortinet fortimail improper input validation vulnerabilityAn improper input validation vulnerability in the web server CGI facilities of FortiMail before 7.0.1 may allow an unauthenticated attacker to alter …EPSS 1.1%9.8CVE-2021-36166Fortinet fortimail vulnerabilityAn improper authentication vulnerability in FortiMail before 7.0.1 may allow a remote attacker to efficiently guess one administrative account's auth…EPSS 1.5%9.8CVE-2021-24007Fortinet fortimail sql injection vulnerabilityMultiple improper neutralization of special elements of SQL commands vulnerabilities in FortiMail before 6.4.4 may allow a non-authenticated attacker…EPSS 1.4%9.8CVE-2021-24020Fortinet fortimail improper verification of cryptographic signature vulnerabilityA missing cryptographic step in the implementation of the hash digest algorithm in FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow a…EPSS 0.62%9.8CVE-2020-9294FortiMail and FortiVoice improper authentication via password changeFortiMail 5.4.10, 6.0.7, 6.2.2 and earlier and FortiVoiceEnterprise 6.0.0 and 6.0.1 contain an improper authentication flaw (CWE-287). A remote attac…EPSS 78%analysed8.8CVE-2023-33302Fortinet fortimail classic buffer overflow vulnerabilityA buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiMail webmail and administrative interface version 6.4.0 thr…EPSS 0.37%8.8CVE-2022-27488Fortinet fortiai cross-site request forgery vulnerabilityA cross-site request forgery (CSRF) in Fortinet FortiVoiceEnterprise version 6.4.x, 6.0.x, FortiSwitch version 7.0.0 through 7.0.4, 6.4.0 through 6.4…EPSS 0.49%

Source: NIST National Vulnerability Database (record CVE-2023-47539), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.