CVE-2025-54972

Medium

Description

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

SeverityMedium
CVSS4.3
Exploit probability—
ProductFortinet Fortimail
PublishedNov 18, 2025
First seenNov 18, 2025
Weakness typeCWE-93CWE-93

How to fix

Update
  • fortinet fortimail7.4.6, 7.6.4 or later

Affected products

ProductAffected versionsFixed in
fortinet fortimail7.0.0 ≤ v < 7.4.6, 7.6.0 ≤ v < 7.6.47.4.6, 7.6.4

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