I - Mission Critical Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000423-VMM-001700
<GroupDescription></GroupDescription>Group -
The ESXi host must protect the confidentiality and integrity of transmitted information by isolating IP-based storage traffic.
<VulnDiscussion>Virtual machines (VMs) might share virtual switches and VLANs with the IP-based storage configurations. IP-based storage incl...Rule Medium Severity -
SRG-OS-000480-VMM-002000
<GroupDescription></GroupDescription>Group -
The ESXi host lockdown mode exception users list must be verified.
<VulnDiscussion>While a host is in lockdown mode (strict or normal), only users on the "Exception Users" list are allowed access. These users...Rule Medium Severity -
SRG-OS-000480-VMM-002000
<GroupDescription></GroupDescription>Group -
The ESXi host Secure Shell (SSH) daemon must not allow host-based authentication.
<VulnDiscussion>SSH trust relationships mean a compromise on one host can allow an attacker to move trivially to other hosts. SSH's cryptogra...Rule Medium Severity -
SRG-OS-000480-VMM-002000
<GroupDescription></GroupDescription>Group -
The ESXi host Secure Shell (SSH) daemon must not permit user environment settings.
<VulnDiscussion>SSH environment options potentially allow users to bypass access restriction in some configurations. Users must not be able t...Rule Medium Severity -
SRG-OS-000480-VMM-002000
<GroupDescription></GroupDescription>Group -
The ESXi host Secure Shell (SSH) daemon must be configured to not allow gateway ports.
<VulnDiscussion>SSH Transmission Control Protocol (TCP) connection forwarding provides a mechanism to establish TCP connections proxied by th...Rule Low Severity -
SRG-OS-000480-VMM-002000
<GroupDescription></GroupDescription>Group -
The ESXi host Secure Shell (SSH) daemon must not permit tunnels.
<VulnDiscussion>OpenSSH has the ability to create network tunnels (layer 2 and layer 3) over an SSH connection. This function can provide sim...Rule Medium Severity -
SRG-OS-000480-VMM-002000
<GroupDescription></GroupDescription>Group -
The ESXi host Secure Shell (SSH) daemon must set a timeout count on idle sessions.
<VulnDiscussion>Setting a timeout ensures that a user login will be terminated as soon as the "ClientAliveCountMax" is reached.</VulnDiscu...Rule Low Severity -
SRG-OS-000480-VMM-002000
<GroupDescription></GroupDescription>Group -
The ESXi host Secure Shell (SSH) daemon must set a timeout interval on idle sessions.
<VulnDiscussion>Automatically logging out idle users guards against compromises via hijacked administrative sessions.</VulnDiscussion>&...Rule Low Severity -
SRG-OS-000480-VMM-002000
<GroupDescription></GroupDescription>Group -
The ESXi host must disable Simple Network Management Protocol (SNMP) v1 and v2c.
<VulnDiscussion>If SNMP is not being used, it must remain disabled. If it is being used, the proper trap destination must be configured. If S...Rule Medium Severity -
SRG-OS-000480-VMM-002000
<GroupDescription></GroupDescription>Group -
The ESXi host must disable Inter-Virtual Machine (VM) Transparent Page Sharing.
<VulnDiscussion>Published academic papers have demonstrated that by forcing a flush and reload of cache memory, it is possible to measure mem...Rule Low Severity
Node 2
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