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VMware vSphere 8.0 ESXi Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The ESXi host must synchronize internal information system clocks to an authoritative time source.

    <VulnDiscussion>To ensure the accuracy of the system clock, it must be synchronized with an authoritative time source within DOD. Many system...
    Rule Medium Severity
    Show

  • SRG-OS-000366-VMM-001430

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ESXi Image Profile and vSphere Installation Bundle (VIB) acceptance level must be verified.

    &lt;VulnDiscussion&gt;Verify the ESXi Image Profile to only allow signed VIBs. An unsigned VIB represents untested code installed on an ESXi host. ...
    Rule High Severity
    Show

  • SRG-OS-000379-VMM-001550

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ESXi host must enable bidirectional Challenge-Handshake Authentication Protocol (CHAP) authentication for Internet Small Computer Systems Interface (iSCSI) traffic.

    &lt;VulnDiscussion&gt;When enabled, vSphere performs bidirectional authentication of both the iSCSI target and host. When not authenticating both t...
    Rule Medium Severity
    Show

  • SRG-OS-000423-VMM-001700

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ESXi host must protect the confidentiality and integrity of transmitted information by isolating vMotion traffic.

    &lt;VulnDiscussion&gt;While encrypted vMotion is available, vMotion traffic should still be sequestered from other traffic to further protect it fr...
    Rule Medium Severity
    Show

  • SRG-OS-000425-VMM-001710

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ESXi host must maintain the confidentiality and integrity of information during transmission by exclusively enabling Transport Layer Security (TLS) 1.2.

    &lt;VulnDiscussion&gt;TLS 1.0 and 1.1 are deprecated protocols with well-published shortcomings and vulnerabilities. TLS 1.2 should be enabled on a...
    Rule High Severity
    Show

  • SRG-OS-000478-VMM-001980

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ESXi host Secure Shell (SSH) daemon must be configured to only use FIPS 140-2 validated ciphers.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. ESXi must impl...
    Rule Medium Severity
    Show

  • SRG-OS-000480-VMM-002000

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ESXi host DCUI.Access list must be verified.

    &lt;VulnDiscussion&gt;Lockdown mode disables direct host access, requiring that administrators manage hosts from vCenter Server. However, if a host...
    Rule Medium Severity
    Show

  • SRG-OS-000023-VMM-000060

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ESXi host must display the Standard Mandatory DOD Notice and Consent Banner before granting access to the system via Secure Shell (SSH).

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the host ensures privacy and security notif...
    Rule Medium Severity
    Show

  • SRG-OS-000023-VMM-000060

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ESXi host Secure Shell (SSH) daemon must display the Standard Mandatory DOD Notice and Consent Banner before granting access to the system.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the host ensures privacy and security notif...
    Rule Medium Severity
    Show

  • The ESXi host must be configured to disable nonessential capabilities by disabling Secure Shell (SSH).

    &lt;VulnDiscussion&gt;The ESXi Shell is an interactive command line interface (CLI) available at the ESXi server console. The ESXi shell provides t...
    Rule Medium Severity
    Show

  • SRG-OS-000095-VMM-000480

    <GroupDescription></GroupDescription>
    Group
    Show

  • The ESXi host must be configured to disable nonessential capabilities by disabling the ESXi shell.

    &lt;VulnDiscussion&gt;The ESXi Shell is an interactive command line environment available locally from the Direct Console User Interface (DCUI) or ...
    Rule Medium Severity
    Show

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