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Cisco NX OS Switch NDM Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000026-NDM-000208

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to automatically audit account creation.

    &lt;VulnDiscussion&gt;Upon gaining access to a network device, an attacker will often first attempt to create a persistent method of reestablishing...
    Rule Medium Severity
    Show

  • SRG-APP-000027-NDM-000209

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to automatically audit account modification.

    &lt;VulnDiscussion&gt;Since the accounts in the network device are privileged or system-level accounts, account management is vital to the security...
    Rule Medium Severity
    Show

  • SRG-APP-000028-NDM-000210

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to automatically audit account disabling actions.

    &lt;VulnDiscussion&gt;Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting acces...
    Rule Medium Severity
    Show

  • SRG-APP-000029-NDM-000211

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to automatically audit account removal actions.

    &lt;VulnDiscussion&gt;Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting acces...
    Rule Medium Severity
    Show

  • SRG-APP-000038-NDM-000213

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to enforce approved authorizations for controlling the flow of management information within the device based on control policies.

    &lt;VulnDiscussion&gt;A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design...
    Rule Medium Severity
    Show

  • SRG-APP-000065-NDM-000214

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must disconnect the session.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
    Show

  • SRG-APP-000068-NDM-000215

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to display the Standard Mandatory DoD Notice and Consent Banner before granting access to the device.

    &lt;VulnDiscussion&gt;Display of the DoD-approved use notification before granting access to the network device ensures privacy and security notifi...
    Rule Medium Severity
    Show

  • SRG-APP-000080-NDM-000220

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to protect against an individual falsely denying having performed organization-defined actions to be covered by non-repudiation.

    &lt;VulnDiscussion&gt;This requirement supports non-repudiation of actions taken by an administrator and is required in order to maintain the integ...
    Rule Medium Severity
    Show

  • SRG-APP-000097-NDM-000227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must produce audit records containing information to establish where the events occurred.

    &lt;VulnDiscussion&gt;In order to compile an accurate risk assessment and provide forensic analysis, it is essential for security personnel to know...
    Rule Medium Severity
    Show

  • SRG-APP-000101-NDM-000231

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to generate audit records containing the full-text recording of privileged commands.

    &lt;VulnDiscussion&gt;Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information. O...
    Rule Medium Severity
    Show

  • SRG-APP-000142-NDM-000245

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to prohibit the use of all unnecessary and nonsecure functions and services.

    &lt;VulnDiscussion&gt;Network devices are capable of providing a wide variety of functions and services. Some of the functions and services provide...
    Rule High Severity
    Show

  • SRG-APP-000148-NDM-000346

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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.

    &lt;VulnDiscussion&gt;Authentication for administrative (privileged level) access to the device is required at all times. An account can be created...
    Rule Medium Severity
    Show

  • SRG-APP-000156-NDM-000250

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to implement replay-resistant authentication mechanisms for network access to privileged accounts.

    &lt;VulnDiscussion&gt;A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authen...
    Rule Medium Severity
    Show

  • SRG-APP-000166-NDM-000254

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to enforce password complexity by requiring that at least one upper-case character be used.

    &lt;VulnDiscussion&gt;Use of a complex passwords helps to increase the time and resources required to compromise the password. Password complexity,...
    Rule Medium Severity
    Show

  • SRG-APP-000167-NDM-000255

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to enforce password complexity by requiring that at least one lower-case character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
    Show

  • SRG-APP-000168-NDM-000256

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to enforce password complexity by requiring that at least one numeric character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
    Show

  • SRG-APP-000169-NDM-000257

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to enforce password complexity by requiring that at least one special character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
    Show

  • SRG-APP-000190-NDM-000267

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to terminate all network connections associated with device management after five minutes of inactivity.

    &lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...
    Rule High Severity
    Show

  • SRG-APP-000319-NDM-000283

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to automatically audit account enabling actions.

    &lt;VulnDiscussion&gt;Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of reestab...
    Rule Medium Severity
    Show

  • SRG-APP-000343-NDM-000289

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to audit the execution of privileged functions.

    &lt;VulnDiscussion&gt;Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external enti...
    Rule Medium Severity
    Show

  • SRG-APP-000357-NDM-000293

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.

    &lt;VulnDiscussion&gt;In order to ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able ...
    Rule Medium Severity
    Show

  • SRG-APP-000360-NDM-000295

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to generate an alert for all audit failure events.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
    Show

  • SRG-APP-000373-NDM-000298

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to synchronize its clock with the primary and secondary time sources using redundant authoritative time sources.

    &lt;VulnDiscussion&gt;The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run ...
    Rule Medium Severity
    Show

  • SRG-APP-000374-NDM-000299

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to record time stamps for log records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).

    &lt;VulnDiscussion&gt;If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analys...
    Rule Medium Severity
    Show

  • SRG-APP-000395-NDM-000310

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured to authenticate SNMP messages using a FIPS-validated Keyed-Hash Message Authentication Code (HMAC).

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. B...
    Rule Medium Severity
    Show

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