CVE-2021-40334

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    CVE-2021-40334

    Published: 2 Dec 2021Last Modified: 10 Mar 2026

    Summary:

    Details: Missing Handler vulnerability in the proprietary management protocol (port TCP 5558) of Hitachi Energy FOX61x, XCM20 allows an attacker that exploits the vulnerability by activating SSH on port TCP 5558 to cause disruption to the NMS and NE communication. This issue affects: Hitachi Energy FOX61x versions prior to R15A. Hitachi Energy XCM20 versions prior to R15A.

    References: , https://search.abb.com/library/Download.aspx?DocumentID=8DBD000062&LanguageCode=en&DocumentPartId=&Action=Launch, https://search.abb.com/library/Download.aspx?DocumentID=8DBD000069&LanguageCode=en&DocumentPartId=&Action=Launch

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High