How severe is CVE-2025-54972?

CVE-2025-54972 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-54972 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-54972?

CVE-2025-54972 affects Fortinet Fortimail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-54972?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-54972 have an EU (EUVD) identifier?

Yes. CVE-2025-54972 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198017.

When was CVE-2025-54972 published?

CVE-2025-54972 was published on 2025-11-18 and last updated on 2026-06-17.

CVE-2025-54972

CVE-2025-54972 is a medium-severity vulnerability in Fortinet Fortimail with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-93.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198017
Weakness: CWE-93
Affected product: Fortinet Fortimail
Published: 2025-11-18
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2025-54972?: 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
How severe is CVE-2025-54972?: CVE-2025-54972 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-54972 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-54972?: CVE-2025-54972 affects Fortinet Fortimail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-54972?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-54972 have an EU (EUVD) identifier?: Yes. CVE-2025-54972 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198017.
When was CVE-2025-54972 published?: CVE-2025-54972 was published on 2025-11-18 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*

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