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Cisco ISE NDM Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000317-NDM-000282

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must 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
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  • The Cisco ISE must be configured with only one local web-based 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
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  • SRG-APP-000340-NDM-000288

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must prevent non-privileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.

    &lt;VulnDiscussion&gt;Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or proce...
    Rule High Severity
    Show

  • SRG-APP-000343-NDM-000289

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must 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-000065-NDM-000214

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must lock out the user account from accessing the device for 15 minutes.

    &lt;VulnDiscussion&gt;By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
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  • SRG-APP-000068-NDM-000215

    <GroupDescription></GroupDescription>
    Group
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  • For the local account of last resort, the Cisco ISE must 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
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  • SRG-APP-000080-NDM-000220

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must be configured to synchronize internal information system clocks 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
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  • The Cisco ISE must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC).

    &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-000516-NDM-000335

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must enforce access restrictions associated with changes to the firmware, OS, and hardware components.

    &lt;VulnDiscussion&gt;Changes to the hardware or software components of the network device can have significant effects on the overall security of ...
    Rule Medium Severity
    Show

  • SRG-APP-000516-NDM-000336

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must be configured to use an external authentication server to authenticate administrators prior to granting administrative access.

    &lt;VulnDiscussion&gt;Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control ...
    Rule Medium Severity
    Show

  • SRG-APP-000516-NDM-000351

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must generate log records for a locally developed list of auditable events.

    &lt;VulnDiscussion&gt;Logging the actions of specific events provides a means to investigate an attack; to recognize resource utilization or capaci...
    Rule Medium Severity
    Show

  • SRG-APP-000516-NDM-000341

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must conduct configuration and operational backups when changes are made or must schedule backups weekly, at a minimum.

    &lt;VulnDiscussion&gt;If this information is not backed up and a system failure was to occur, the security settings would be difficult to reconfigu...
    Rule Low Severity
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  • SRG-APP-000516-NDM-000344

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must use DoD-approved PKI rather than proprietary or self-signed device certificates.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
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  • SRG-APP-000142-NDM-000245

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ISE must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services.

    &lt;VulnDiscussion&gt;Changes to any software components of the network device can have significant effects on the overall security of the network....
    Rule High Severity
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  • SRG-APP-000142-NDM-000245

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must be configured to disable Wireless Setup for production systems.

    &lt;VulnDiscussion&gt;ISE Wireless Setup is beta software so is not authorized for use in DoD. Wireless Setup is disabled by default after fresh i...
    Rule High Severity
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  • SRG-APP-000156-NDM-000250

    <GroupDescription></GroupDescription>
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  • For accounts using password authentication, the Cisco ISE must use FIPS-validated SHA-2 or later protocol to protect the integrity of the password authentication process.

    &lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...
    Rule High Severity
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  • SRG-APP-000400-NDM-000313

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must prohibit the use of cached authenticators after an organization-defined time period.

    &lt;VulnDiscussion&gt;Some authentication implementations can be configured to use cached authenticators. If cached authentication information is ...
    Rule Medium Severity
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  • SRG-APP-000179-NDM-000265

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must use FIPS-validated SHA-2 (or greater) to protect the integrity of hash message authentication code (HMAC), Key Derivation Functions (KDFs), Random Bit Generation, and hash-only applications.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Nonlocal ma...
    Rule High Severity
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  • SRG-APP-000411-NDM-000330

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of nonlocal maintenance and diagnostic communications.

    &lt;VulnDiscussion&gt;Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be r...
    Rule Medium Severity
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  • SRG-APP-000411-NDM-000330

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must verify the checksum value of any software download, including install files (ISO or OVA), patch files, and upgrade bundles.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Nonlocal ma...
    Rule High Severity
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  • SRG-APP-000412-NDM-000331

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must be configured to implement cryptographic mechanisms using a FIPS 140-2 validated algorithm 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
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  • SRG-APP-000190-NDM-000267

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must terminate all network connections associated with a device management session at the end of the session, or the session must be terminated after five minutes of inactivity except to fulfill documented and validated mission requirements.

    &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
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  • SRG-APP-000224-NDM-000270

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must generate unique session identifiers using a FIPS 140-2 approved Random Number Generator (RNG) using DRGB.

    &lt;VulnDiscussion&gt;Sequentially generated session IDs can be easily guessed by an attacker. Employing the concept of randomness in the generatio...
    Rule Medium Severity
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  • SRG-APP-000231-NDM-000271

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must only allow authorized administrators to view or change the device configuration, system files, and other files stored.

    &lt;VulnDiscussion&gt;This requirement is intended to address the confidentiality and integrity of system information at rest (e.g., network device...
    Rule High Severity
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  • SRG-APP-000435-NDM-000315

    <GroupDescription></GroupDescription>
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  • The Cisco ISE must configure the control plane to protect against or limit the effects of common types of Denial of Service (DoS) attacks on the device itself by configuring applicable system options and internet-options.

    &lt;VulnDiscussion&gt;DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000350

    <GroupDescription></GroupDescription>
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