CVE-2025-54972: CRLF Injection

Published Nov 18, 2025
·
Updated

An improper neutralization of crlf sequences ('crlf injection') vulnerability in Fortinet FortiMail 7.6.0 through 7.6.3, FortiMail 7.4.0 through 7.4.5, FortiMail 7.2 all versions, FortiMail 7.0 all versions may allow an attacker to inject headers in the response via convincing a user to click on a specifically crafted link

Affected Software

3 affected components
Fortinet FortiMail>=7.6.0<=7.6.3, >=7.4.0<=7.4.5, >=7.2, >=7.0
Fortinet FortiMail>=7.0.0<7.4.6
Fortinet FortiMail>=7.6.0<7.6.4

Remediation

Information

Upgrade to upcoming FortiMail version 8.0.0 or above Upgrade to FortiMail version 7.6.4 or above Upgrade to FortiMail version 7.4.6 or above

Event History

Nov 18, 2025
CVE Published
via MITRE·05:01 PM
Data Sourced
via MITRE·05:01 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-54972?

The severity of CVE-2025-54972 is rated as high due to the risk of header injection that could lead to further attacks.

2

How do I fix CVE-2025-54972?

To fix CVE-2025-54972, upgrade FortiMail to the latest version that addresses this vulnerability.

3

What software is affected by CVE-2025-54972?

CVE-2025-54972 affects Fortinet FortiMail versions 7.6.0 to 7.6.3, 7.4.0 to 7.4.5, and all versions of 7.2 and 7.0.

4

What type of attack can CVE-2025-54972 facilitate?

CVE-2025-54972 can facilitate CRLF injection attacks, allowing attackers to manipulate HTTP response headers.

5

Is user interaction required for CVE-2025-54972 exploitation?

Yes, exploitation of CVE-2025-54972 typically requires user interaction, such as convincing a user to click on a malicious link.

Contact

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