Is CVE-2023-47539 being actively exploited?

CVE-2023-47539 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2023-47539?

CVE-2023-47539 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2023-47539

CRITICAL · CVSS 9.8EPSS 1.1%EU EUVD

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-284
EPSS score: 1.1% (64th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2023-51650)
Published: March 18, 2025
NVD last modified: June 17, 2026
Status: Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2023-51650 in the EU Vulnerability Database. Last updated in EUVD on February 26, 2026.

View on the EU Vulnerability Database

Affected products

fortinet / fortimail

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

FortiMail 7.4 - Fortinet, Inc. - Common Criteria CCEVS-VR-VID-11462-2024 - archived

References

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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain