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Cisco IOS XR Router NDM Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

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

    <VulnDiscussion>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-000357-NDM-000293

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco router 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 router 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

  • SRG-APP-000411-NDM-000330

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco router 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-000375-NDM-000300

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco router must record time stamps for audit records that meet a granularity of one second for a minimum degree of precision.

    &lt;VulnDiscussion&gt;Without sufficient granularity of time stamps, it is not possible to adequately determine the chronological order of records....
    Rule Medium Severity
    Show

  • SRG-APP-000374-NDM-000299

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco router 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 router 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

  • SRG-APP-000395-NDM-000310

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco router must be configured to encrypt SNMP messages using a FIPS 140-2 approved algorithm.

    &lt;VulnDiscussion&gt;Without the strong encryption that is provided by the SNMP Version 3 User-based Security Model (USM), an unauthorized user ca...
    Rule Medium Severity
    Show

  • SRG-APP-000395-NDM-000347

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco router must be configured to use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of remote maintenance sessions.

    &lt;VulnDiscussion&gt;Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be r...
    Rule High Severity
    Show

  • SRG-APP-000412-NDM-000331

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco router must be configured to implement cryptographic mechanisms to protect the confidentiality of remote maintenance sessions.

    &lt;VulnDiscussion&gt;This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead...
    Rule High Severity
    Show

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