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CVE-2025-4663 – Brocade Fabric OS SSH Session Termination DoS

The following table lists the changes that have been made to the
CVE-2025-4663 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jul. 08, 2025

    Action Type Old Value New Value
    Added Description An Improper Check for Unusual or
    Exceptional Conditions vulnerability in Brocade Fabric OS before 9.2.2.a
    could allow an authenticated, network-based attacker to cause a
    Denial-of-Service (DoS).
    The
    vulnerability is encountered when supportsave is invoked remotely,
    using ssh command or SANnav inline ssh, and the corresponding ssh
    session is terminated with Control C (^c ) before supportsave
    completion.
    This issue affects Brocade Fabric OS 9.0.0 through 9.2.2
    Added CVSS V4.0 AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-754
    Added Reference https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35815
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