III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000575
<GroupDescription></GroupDescription>Group -
The vCenter server must enforce SNMPv3 security features where SNMP is required.
<VulnDiscussion>SNMPv3 supports commercial-grade security, including authentication, authorization, access control, and privacy. Previous ver...Rule Medium Severity -
SRG-APP-000575
<GroupDescription></GroupDescription>Group -
The vCenter server must disable SNMPv1/2 receivers.
<VulnDiscussion>SNMPv3 supports commercial-grade security, including authentication, authorization, access control, and privacy. Previous ver...Rule Medium Severity -
SRG-APP-000345
<GroupDescription></GroupDescription>Group -
The vCenter Server must require an administrator to unlock an account locked due to excessive login failures.
<VulnDiscussion>By requiring that Single Sign-On (SSO) accounts be unlocked manually, the risk of unauthorized access via user password guess...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must disable the distributed virtual switch health check.
<VulnDiscussion>Network health check is disabled by default. Once enabled, the health check packets contain information on host#, vds#, and p...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must set the distributed port group Forged Transmits policy to "Reject".
<VulnDiscussion>If the virtual machine operating system changes the Media Access Control (MAC) address, the operating system can send frames ...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must set the distributed port group Media Access Control (MAC) Address Change policy to "Reject".
<VulnDiscussion>If the virtual machine operating system changes the MAC address, it can send frames with an impersonated source MAC address a...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must set the distributed port group Promiscuous Mode policy to "Reject".
<VulnDiscussion>When promiscuous mode is enabled for a virtual switch, all virtual machines connected to the port group have the potential of...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must only send NetFlow traffic to authorized collectors.
<VulnDiscussion>The distributed virtual switch can export NetFlow information about traffic crossing the switch. NetFlow exports are not encr...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must configure all port groups to a value other than that of the native virtual local area network (VLAN).
<VulnDiscussion>ESXi does not use the concept of native VLAN. Frames with VLAN specified in the port group will have a tag, but frames with V...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must not configure VLAN Trunking unless Virtual Guest Tagging (VGT) is required and authorized.
<VulnDiscussion>When a port group is set to VLAN Trunking, the vSwitch passes all network frames in the specified range to the attached virtu...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must not configure all port groups to virtual local area network (VLAN) values reserved by upstream physical switches.
<VulnDiscussion>Certain physical switches reserve certain VLAN IDs for internal purposes and often disallow traffic configured to these value...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must configure the "vpxuser" auto-password to be changed every 30 days.
<VulnDiscussion>By default, vCenter will change the "vpxuser" password automatically every 30 days. Ensure this setting meets site policies. ...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must configure the "vpxuser" password to meet length policy.
<VulnDiscussion>The "vpxuser" password default length is 32 characters. Ensure this setting meets site policies; if not, configure to meet pa...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must be isolated from the public internet but must still allow for patch notification and delivery.
<VulnDiscussion>vCenter and the embedded Lifecycle Manager system must never have a direct route to the internet. Despite this, updates and p...Rule Low Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must use unique service accounts when applications connect to vCenter.
<VulnDiscussion>To not violate nonrepudiation (i.e., deny the authenticity of who is connecting to vCenter), when applications need to connec...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must protect the confidentiality and integrity of transmitted information by isolating Internet Protocol (IP)-based storage traffic.
<VulnDiscussion>Virtual machines might share virtual switches and virtual local area networks (VLAN) with the IP-based storage configurations...Rule Medium Severity -
SRG-APP-000358
<GroupDescription></GroupDescription>Group -
The vCenter server must be configured to send events to a central log server.
<VulnDiscussion>vCenter server generates volumes of security-relevant application-level events. Examples include logins, system reconfigurati...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must disable or restrict the connectivity between vSAN Health Check and public Hardware Compatibility List (HCL) by use of an external proxy server.
<VulnDiscussion>The vSAN Health Check is able to download the HCL from VMware to check compliance against the underlying vSAN Cluster hosts. ...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must configure the vSAN Datastore name to a unique name.
<VulnDiscussion>A vSAN Datastore name by default is "vsanDatastore". If more than one vSAN cluster is present in vCenter, both datastores wil...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must disable Username/Password and Windows Integrated Authentication.
<VulnDiscussion>All forms of authentication other than Common Access Card (CAC) must be disabled. Password authentication can be temporarily ...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must restrict access to the default roles with cryptographic permissions.
<VulnDiscussion>In vSphere, the built-in "Administrator" role contains permission to perform cryptographic operations such as Key Management ...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must restrict access to cryptographic permissions.
<VulnDiscussion>These permissions must be reserved for cryptographic administrators where virtual machine encryption and/or vSAN encryption i...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must have Mutual Challenge Handshake Authentication Protocol (CHAP) configured for vSAN Internet Small Computer System Interface (iSCSI) targets.
<VulnDiscussion>When enabled, vSphere performs bidirectional authentication of both the iSCSI target and host. When not authenticating both t...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must have new Key Encryption Keys (KEKs) reissued at regular intervals for vSAN encrypted datastore(s).
<VulnDiscussion>The KEK for a vSAN encrypted datastore is generated by the Key Management Server (KMS) and serves as a wrapper and lock aroun...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must use secure Lightweight Directory Access Protocol (LDAPS) when adding an LDAP identity source.
<VulnDiscussion>LDAP is an industry standard protocol for querying directory services such as Active Directory. This protocol can operate in ...Rule Medium Severity
Node 2
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