CRLF Injection Vulnerability in Fortinet FortiMail
CVE-2025-54972

3.9LOW

Key Information:

Vendor

Fortinet
Status
Fortimail
Vendor
CVE Published:
18 November 2025

What is CVE-2025-54972?

An improper neutralization of CRLF sequences, known as CRLF injection, exists in Fortinet FortiMail versions 7.0 through 7.6.3. This vulnerability potentially allows attackers to manipulate response headers by luring users into clicking specially crafted links. By exploiting this flaw, an attacker could inject malicious content into the server's HTTP responses, jeopardizing the integrity of communications.

Affected Version(s)

FortiMail 7.6.0 <= 7.6.3

FortiMail 7.4.0 <= 7.4.5

FortiMail 7.2.0 <= 7.2.8

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-634

CVSS V3.1

Score:
3.9
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-54972 : CRLF Injection Vulnerability in Fortinet FortiMail