CVE-2021-24007Network attack vector

Unauthenticated code execution via HTTP SQL injection

Published Jul 9, 2021 · Updated Oct 25, 2024

SQL injection in Fortinet FortiMail before 6.4.4 allows remote attackers to execute unauthorized code via crafted HTTP requests. HTTP request handling fails to neutralize SQL special elements, but Fortinet has not disclosed the affected endpoints, parameters, or database calls. No authentication or user interaction is required, and successful injection can execute unauthorized code or commands on the appliance.

CVSS severity9.8
Critical
EPSS probability1.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

SQL injection in Fortinet FortiMail before 6.4.4 allows remote attackers to execute unauthorized code via crafted HTTP requests. HTTP request handling fails to neutralize SQL special elements, but Fortinet has not disclosed the affected endpoints, parameters, or database calls. No authentication or user interaction is required, and successful injection can execute unauthorized code or commands on the appliance.

The record

CVE
CVE-2021-24007
Published
Jul 9, 2021
Updated
Oct 25, 2024
Vendor
Fortinet
Product
FortiMail
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 9, 2021CVE publishedPublication date reported by the CVE source.
  2. Oct 25, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=FortiMail before 6.4.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Fortinet · FortiMailversion=FortiMail before 6.4.4

Published CVSS scores

9.8Fortinet, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo