Cisco NX OS Switch NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco switch must be configured to support organizational requirements to conduct backups of the configuration when changes occur.
System-level information includes default and customized settings and security attributes, including ACLs that relate to the network device configuration, as well as software required for the execu...Rule Medium Severity -
SRG-APP-000516-NDM-000344
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SRG-APP-000516-NDM-000350
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SRG-APP-000516-NDM-000351
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The Cisco switch must be running an IOS release that is currently supported by Cisco Systems.
Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated with recent vulnerabilities. Running a supported release also enables o...Rule High Severity -
SRG-APP-000435-NDM-000315
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The Cisco switch must be configured to automatically audit account creation.
Upon gaining access to a network device, an attacker will often first attempt to create a persistent method of reestablishing access. One way to accomplish this is to create a new account. Notifica...Rule Medium Severity -
The Cisco switch must be configured to enforce approved authorizations for controlling the flow of management information within the device based on control policies.
A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design. If management information flow is not enforced based on approved autho...Rule Medium Severity -
The Cisco switch must be configured to protect against an individual falsely denying having performed organization-defined actions to be covered by non-repudiation.
This requirement supports non-repudiation of actions taken by an administrator and is required in order to maintain the integrity of the configuration management process. All configuration changes ...Rule Medium Severity -
The Cisco switch must be configured to prohibit the use of all unnecessary and nonsecure functions and services.
Network devices are capable of providing a wide variety of functions and services. Some of the functions and services provided by default may not be necessary to support essential organizational op...Rule High Severity -
The Cisco switch must be configured with only one local account to be used as the account of last resort in the event the authentication server is unavailable.
Authentication for administrative (privileged level) access to the device is required at all times. An account can be created on the device's local database for use when the authentication server i...Rule Medium Severity -
The Cisco switch must be configured to enforce password complexity by requiring that at least one uppercase character be used.
Use of a complex passwords helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisti...Rule Medium Severity -
The Cisco switch must be configured to enforce password complexity by requiring that at least one lower-case character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
The Cisco switch must be configured to enforce password complexity by requiring that at least one special character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
The Cisco switch must be configured to terminate all network connections associated with device management after five minutes of inactivity.
Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port th...Rule High Severity -
The Cisco switch must be configured to allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.
In order to ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able to allocate audit record storage capacity. The task of allocating audit ...Rule Medium Severity -
The Cisco switch must be configured to synchronize its clock with the primary and secondary time sources using redundant authoritative time sources.
The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run mode) and increasingly inaccurate time stamps on audit events and other ...Rule Medium Severity -
The Cisco switch must be configured to authenticate SNMP messages using a FIPS-validated Keyed-Hash Message Authentication Code (HMAC).
Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Bidirectional authentication provides stronger safeguards to validate the...Rule Medium Severity -
The Cisco switch must be configured to use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of remote maintenance sessions.
Unapproved mechanisms used for authentication to the cryptographic module are not verified; therefore, they cannot be relied upon to provide confidentiality or integrity, and DOD data may be compro...Rule High Severity -
The Cisco switch must be configured to generate log records when administrator privileges are modified.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity
Node 2
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