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CVE-2025-54972An improper neutralization of crlf sequences ('crlf injection') vulnerability in Fortinet FortiMail 7.6.0 through 7.6.3, FortiMail 7.4.0…

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

Timeline

  1. ID reserved

    By fortinet

  2. · 4 months later

    Published

  3. · 57 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-54972, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1Low3.9CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
NVDNVD · Modified3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS (exploitation in 30 days)
0.21% · top 88% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.9.

Affected products

  • Fortinet · FortiMail

    • affected 7.6.0 – ≤ 7.6.3
    • affected 7.4.0 – ≤ 7.4.5
    • affected 7.2.0 – ≤ 7.2.9
    • affected 7.0.0 – ≤ 7.0.9

What to do

Solution: 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

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .