SB2025111875 - CRLF header injection in FortiMail
Published: November 18, 2025
Security Bulletin ID
SB2025111875
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) CRLF injection (CVE-ID: CVE-2025-54972)
The vulnerability allows a remote attacker to inject arbitrary data in server response.
The vulnerability exists due to insufficient validation of attacker-supplied data in FortiMail user GUI. A remote attacker can inject headers in the response via convincing a user to click on a specifically crafted link.
Remediation
Install update from vendor's website.