SMTP: Microsoft Exchange Server RFC 5322 From Header CVE-2025-25006 Spoofing
This signature detects attempts to exploit an input validation vulnerability in the Microsoft Exchange Server. Attackers can submit a malicious request to execute arbitrary commands.
References
CVE: CVE-2025-25006
Short Name
SMTP:MS-XCHANGE-SRV-FROM-HYD-IV
Severity
Minor
Recommended
True
Recommended Action
None
Category
SMTP
Keywords
5322 CVE-2025-25006 Exchange From Header Microsoft RFC Server Spoofing
Release Date
11/12/2025
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3861
False Positive
Unknown