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Fortimail CVE-2024-56497

MEDIUM
OS Command Injection (CWE-78)
2025-01-14 psirt@fortinet.com
6.7
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.7 (MEDIUM). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required. EPSS exploitation probability: 0.20%.

Exploit ScenarioDerived

A local attacker with access to the system could execute arbitrary operating system commands on the host.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

An improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiMail versions 7.2.0 through 7.2.4 and 7.0.0 through 7.0.6 and 6.4.0 through 6.4.7,. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. An improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiMail versions 7.2.0 through 7.2.4 and 7.0.0 through 7.0.6 and 6.4.0 through 6.4.7, FortiRecorder versions 7.0.0 and 6.4.0 through 6.4.4 allows attacker to execute unauthorized code or commands via the CLI. Affected products include: Fortinet Fortimail, Fortinet Fortirecorder. Version information: through 7.2.4.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.7 MEDIUM
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

An improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiMail versions 7.2.0 through 7.2.4 and 7.0.0 through 7.0.6 and 6.4.0 through 6.4.7, FortiRecorder versions 7.0.0 and 6.4.0 through 6.4.4 allows attacker to execute unauthorized code or commands via the CLI.

Executive ViewAI

Why It Matters

Organizations using Fortinet FortiMail should be aware of notable risk from CVE-2024-56497, a OS command injection vulnerability rated CVSS 6.7. Exploitation could allow attackers to execute code or inject malicious input. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Moderate
Compensating Controls

Apply vendor patch. If patching is delayed: deploy WAF rules, restrict network access, enable logging.

Threat Intelligence Overview

EPSS Score
0.2%
Top 59% exploitable

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No

Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +34
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)CVE.org

cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortirecorder:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortirecorder:*:*:*:*:*:*:*:*
CVE-2026-104286 CRITICAL POC
9.8 Oct 01

Unauthenticated path traversal in Fortinet FortiMail (7.2.0-7.2.9, 7.4.0-7.4.8, 7.6.0-7.6.6 and 8.0.0-8.0.1) lets a remo

CVE-2020-9294 CRITICAL POC
9.8 Apr 27

An improper authentication vulnerability in FortiMail 5.4.10, 6.0.7, 6.2.2 and earlier and FortiVoiceEntreprise 6.0.0 an

CVE-2023-47539 CRITICAL
9.8 Mar 18

An improper access control vulnerability in FortiMail version 7.4.0 configured with RADIUS authentication and remote_wil

CVE-2021-24020 CRITICAL
9.8 Jul 09

A missing cryptographic step in the implementation of the hash digest algorithm in FortiMail 6.4.0 through 6.4.4, and 6.

CVE-2021-24007 CRITICAL
9.8 Jul 09

Multiple improper neutralization of special elements of SQL commands vulnerabilities in FortiMail before 6.4.4 may allow

CVE-2013-1471 MEDIUM POC
4.3 Feb 04

Multiple cross-site scripting (XSS) vulnerabilities in admin/FEAdmin.html in Fortinet FortiMail before 4.3.4 on FortiMai

CVE-2025-57739 HIGH
8.8 Oct 13

Authenticated SQL injection in Fortinet FortiMail versions 7.6.0 through 7.6.3, 7.4.0 through 7.4.5, and 7.2.0 through 7

CVE-2023-36556 HIGH
8.8 Oct 10

An incorrect authorization vulnerability [CWE-863] in FortiMail webmail version 7.2.0 through 7.2.2, version 7.0.0 throu

CVE-2021-26095 HIGH
8.8 Jul 20

The combination of various cryptographic issues in the session management of FortiMail 6.4.0 through 6.4.4 and 6.2.0 thr

CVE-2021-24015 HIGH
8.8 Jul 12

An improper neutralization of special elements used in an OS Command vulnerability in the administrative interface of Fo

CVE-2021-22129 HIGH
8.8 Jul 09

Multiple instances of incorrect calculation of buffer size in the Webmail and Administrative interface of FortiMail befo

CVE-2022-26122 HIGH
8.6 Nov 02

An insufficient verification of data authenticity vulnerability [CWE-345] in FortiClient, FortiMail and FortiOS AV engin

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