Cisco ISE NDM Security Technical Implementation Guide

Description

This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DoD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: [email protected]

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Version / Release: V1R2

Published: 2021-09-27

Updated At: 2021-11-06 12:47:12

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    Vuln Rule Version CCI Severity Title Description Status Finding Details Comments
    SV-242607r714131_rule CSCO-NM-000010 CCI-000054 LOW For the account of last resort, the Cisco ISE must limit the number of concurrent sessions to one. Device management includes the ability to control the number of administrators and management sessions that manage a device. Limiting the number of allowed administrators and sessions per administrator based on account type, role, or access type is helpfu
    SV-242608r714134_rule CSCO-NM-000020 CCI-002142 MEDIUM The Cisco ISE must change the password for the local CLI and web-based account when members who have access to the password leave the role and are no longer authorized access. If shared/group account credentials are not terminated when individuals leave the group, the user that left the group can still gain access even though they are no longer authorized. There may also be instances when specific user actions need to be perfor
    SV-242609r714137_rule CSCO-NM-000030 CCI-000018 MEDIUM For the local web-based account of last resort, the Cisco ISE must 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. Notification of account creation helps to mitigate this risk. Audi
    SV-242610r714140_rule CSCO-NM-000040 CCI-001403 MEDIUM For the local web-based account of last resort and the default local CLI account, the Cisco ISE must automatically audit account modification. Since the accounts in the network device are privileged or system-level accounts, account management is vital to the security of the network device. Account management by a designated authority ensures access to the network device is being controlled in a
    SV-242611r714143_rule CSCO-NM-000050 CCI-001404 MEDIUM For the local web-based account of last resort, the Cisco ISE must automatically audit account disabling actions. Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting access to only authorized personnel. Auditing account disabling actions will support account management procedures. When device managem
    SV-242612r714146_rule CSCO-NM-000060 CCI-001405 MEDIUM For the local account of last resort, the Cisco ISE must automatically audit account removal actions. Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting access to only authorized personnel. Auditing account removal actions will support account management procedures. When device managemen
    SV-242613r714149_rule CSCO-NM-000070 CCI-002130 LOW The Cisco ISE must automatically audit account enabling actions. Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of reestablishing access. One way to accomplish this is for the attacker to simply enable a new or disabled account. Notification of account
    SV-242614r714152_rule CSCO-NM-000080 CCI-001358 MEDIUM 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. 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 is down or connectivity between the device and the authenti
    SV-242615r803576_rule CSCO-NM-000090 CCI-002235 HIGH The Cisco ISE must prevent non-privileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures. Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or processes may gain unnecessary access to information or privileges. Privileged functions include, for example, establishing accounts,
    SV-242616r714158_rule CSCO-NM-000100 CCI-002234 MEDIUM The Cisco ISE must audit the execution of privileged functions. Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and ongoing concern and can have significant adverse impacts
    SV-242617r714161_rule CSCO-NM-000110 CCI-000044 MEDIUM 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. By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. If the administrator enters an incorrect password three times, the Admin portal locks the ac
    SV-242618r714164_rule CSCO-NM-000120 CCI-000048 MEDIUM 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. Display of the DoD-approved use notification before granting access to the network device ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, a
    SV-242619r714167_rule CSCO-NM-000130 CCI-000166 MEDIUM The Cisco ISE must protect against an individual (or process acting on behalf of 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 to the network device are logged, and administrators authe
    SV-242620r714170_rule CSCO-NM-000140 CCI-000172 MEDIUM The Cisco ISE must generate audit records when successful attempts to access privileges occur. 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 incident or identify those responsible for one. Audit reco
    SV-242621r714173_rule CSCO-NM-000150 CCI-000172 MEDIUM The Cisco ISE must generate audit records when successful attempts to modify administrator privileges occur. 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 incident or identify those responsible for one. Audit recor
    SV-242622r714176_rule CSCO-NM-000160 CCI-000172 MEDIUM The Cisco ISE must generate audit records when successful attempts to delete administrator privileges occur. 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 incident or identify those responsible for one. Audit recor
    SV-242623r714179_rule CSCO-NM-000170 CCI-000172 MEDIUM The Cisco ISE must generate audit records when successful logon attempts occur. 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 incident or identify those responsible for one. Audit recor
    SV-242624r714182_rule CSCO-NM-000180 CCI-000172 MEDIUM The Cisco ISE must generate audit records for privileged activities or other system-level access. 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 incident or identify those responsible for one. Audit recor
    SV-242625r714185_rule CSCO-NM-000190 CCI-000172 MEDIUM The Cisco ISE must generate audit records when concurrent logons from different workstations occur. 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 incident or identify those responsible for one. Audit recor
    SV-242626r714188_rule CSCO-NM-000200 CCI-001849 MEDIUM The Cisco ISE must limit audit record storage capacity for all locally stored logs. 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 record storage capacity is usually performed during initia
    SV-242627r714191_rule CSCO-NM-000210 CCI-001851 MEDIUM The Cisco ISE must configure a remote syslog where audit records are stored on a centralized logging target that is different from the system being audited. Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Storing audit logs to a different system than that being audited is a common process in information systems with limited audit storage capacity.
    SV-242628r714194_rule CSCO-NM-000220 CCI-001858 MEDIUM The Cisco ISE must send an alarm to one or more individuals when the monitoring collector process has an error or failure. It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without an alert, security personnel may be unaware of an impending failure of the audit capability and system operation may be a
    SV-242629r714197_rule CSCO-NM-000230 CCI-000366 MEDIUM The Cisco ISE must be configured to synchronize internal information system clocks 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 functions. Multiple time sources provide redundancy by i
    SV-242630r714200_rule CSCO-NM-000240 CCI-001890 MEDIUM The Cisco ISE must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC). If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analysis. Time stamps generated by the application include date and time. Time is commonly expressed in Coordinated Universal Time (UTC
    SV-242631r714203_rule CSCO-NM-000250 CCI-001814 MEDIUM The Cisco ISE must audit the enforcement actions used to restrict access associated with changes to the device. Without auditing the enforcement of access restrictions against changes to the device configuration, it will be difficult to identify attempted attacks, and an audit trail will not be available for forensic investigation for after-the-fact actions. Enfo
    SV-242632r714206_rule CSCO-NM-000260 CCI-000345 MEDIUM The Cisco ISE must enforce access restrictions associated with changes to the firmware, OS, and hardware components. Changes to the hardware or software components of the network device can have significant effects on the overall security of the network. Therefore, only qualified and authorized individuals should be allowed administrative access to the network device fo
    SV-242633r714209_rule CSCO-NM-000270 CCI-000366 MEDIUM The Cisco ISE must be configured to use an external authentication server to authenticate administrators prior to granting administrative access. Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control is particularly important protection against the insider threat. With robust centralized management, audit records for administrat
    SV-242634r714212_rule CSCO-NM-000280 CCI-000366 MEDIUM The Cisco ISE must be running an operating system release that is currently supported by the vendor. Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated with recent vulnerabilities. The recommended best practice is for the organization to implement a patch management process for J
    SV-242636r714218_rule CSCO-NM-000300 CCI-000169 MEDIUM The Cisco ISE must generate log records for a locally developed list of auditable events. Logging the actions of specific events provides a means to investigate an attack; to recognize resource utilization or capacity thresholds; or to identify an improperly configured network device. If auditing is not comprehensive, it will not be useful for
    SV-242637r803579_rule CSCO-NM-000320 CCI-000366 MEDIUM The Cisco ISE must be configured to conduct backups of system level information contained in the information system 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 execution and operation of the device. Information system backu
    SV-242638r714224_rule CSCO-NM-000330 CCI-000366 LOW The Cisco ISE must conduct backups of information system documentation, including security-related configuration files when changes occur or weekly, whichever is sooner. Information system backup is a critical step in maintaining data assurance and availability. Information system and security-related documentation contains information pertaining to system configuration and security settings. If this information was not b
    SV-242639r714227_rule CSCO-NM-000340 CCI-000366 MEDIUM The Cisco ISE must use DoD-approved PKI rather than proprietary or self-signed device certificates. To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs. The Cisco ISE generates a key-pair and a CSR. The CSR is sent to the approved CA, who signs it and returns it as a c
    SV-242640r714230_rule CSCO-NM-000350 CCI-000382 HIGH The Cisco ISE must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services. Changes to any software components of the network device can have significant effects on the overall security of the network. Therefore, only qualified and authorized individuals should be allowed administrative access to the network device for implementi
    SV-242641r714233_rule CSCO-NM-000360 CCI-000382 HIGH The Cisco ISE must be configured to disable Wireless Setup for production systems. ISE Wireless Setup is beta software so is not authorized for use in DoD. Wireless Setup is disabled by default after fresh installation of Cisco ISE. If you upgrade ISE from a previous version, the Wireless Setup menu does not appear. Wireless Setup requ
    SV-242642r714236_rule CSCO-NM-000370 CCI-001941 MEDIUM For accounts using password authentication, the Cisco ISE must implement replay-resistant authentication mechanisms for network access to privileged accounts. A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authenticator and the application validating the user credentials must not be vulnerable to a replay attack. An authentication process
    SV-242643r714239_rule CSCO-NM-000380 CCI-001967 MEDIUM The Cisco ISE 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 identity of other devices for connections that are of gre
    SV-242644r714242_rule CSCO-NM-000390 CCI-001967 MEDIUM The Cisco ISE must authenticate Network Time Protocol sources using authentication that is cryptographically based. If Network Time Protocol is not authenticated, an attacker can introduce a rogue NTP server. This rogue server can then be used to send incorrect time information to network devices, which will make log timestamps inaccurate and affect scheduled actions.
    SV-242645r714245_rule CSCO-NM-000400 CCI-000205 MEDIUM For accounts using password authentication, the Cisco ISE must enforce a minimum 15-character password length. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one factor of several that helps to determine strength and how long it takes to crack a passwor
    SV-242646r714248_rule CSCO-NM-000410 CCI-000192 MEDIUM For accounts using password authentication, the Cisco ISE must enforce password complexity by requiring that at least one upper-case 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 resisting attempts at guessing and brute-force attacks. Password
    SV-242647r714251_rule CSCO-NM-000420 CCI-000193 MEDIUM For accounts using password authentication, the Cisco ISE must 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 resisting attempts at guessing and brute-force attacks. Password
    SV-242648r714254_rule CSCO-NM-000430 CCI-000194 MEDIUM For accounts using password authentication, the Cisco ISE must enforce password complexity by requiring that at least one digit 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 resisting attempts at guessing and brute-force attacks. Password
    SV-242649r714257_rule CSCO-NM-000440 CCI-001619 MEDIUM For accounts using password authentication, the Cisco ISE must 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 resisting attempts at guessing and brute-force attacks. Password
    SV-242650r714260_rule CSCO-NM-000450 CCI-000195 MEDIUM For accounts using password authentication, the Cisco ISE must require that when a password is changed, the characters are changed in at least eight of the positions within the password. If the application allows the user to consecutively reuse extensive portions of passwords, this increases the chances of password compromise by increasing the window of opportunity for attempts at guessing and brute-force attacks. The number of changed c
    SV-242651r714263_rule CSCO-NM-000460 CCI-000197 HIGH 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. Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised. The information system must specify the hash
    SV-242652r714266_rule CSCO-NM-000470 CCI-002007 MEDIUM The Cisco ISE must prohibit the use of cached authenticators after an organization-defined time period. Some authentication implementations can be configured to use cached authenticators. If cached authentication information is out-of-date, the validity of the authentication information may be questionable. The organization-defined time period should be e
    SV-242653r714269_rule CSCO-NM-000480 CCI-000803 HIGH The Cisco ISE must use FIPS-validated SHA-2 or higher hash function to protect the integrity of hash message authentication code (HMAC), Key Derivation Functions (KDFs), Random Bit Generation, and hash-only applications. Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Nonlocal maintenance and diagnostic activities are activities conducted by individuals communicating through either an external network (e.g.
    SV-242654r714272_rule CSCO-NM-000490 CCI-002890 MEDIUM The Cisco ISE must use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of nonlocal maintenance and diagnostic communications. Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be relied upon to provide confidentiality or integrity, and DoD data may be compromised. Nonlocal maintenance and diagnostic activiti
    SV-242655r714275_rule CSCO-NM-000500 CCI-002890 HIGH The Cisco ISE must verify the checksum value of any software download, including install files (ISO or OVA), patch files, and upgrade bundles. Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Nonlocal maintenance and diagnostic activities are those activities conducted by individuals communicating through a network, either an exter
    SV-242656r714278_rule CSCO-NM-000510 CCI-003123 HIGH The Cisco ISE must be configured to implement cryptographic mechanisms using a FIPS 140-2 approved algorithm to protect the confidentiality of remote maintenance sessions. This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead of FTP, and HTTPS instead of HTTP. If unsecured protocols (lacking cryptographic mechanisms) are used for sessions, the contents
    SV-242657r714281_rule CSCO-NM-000520 CCI-001133 HIGH 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 10 minutes of inactivity except to fulfill documented and validated mission requirements. 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 that has been left unattended.
    SV-242658r714284_rule CSCO-NM-000530 CCI-001188 MEDIUM The Cisco ISE must generate unique session identifiers using a FIPS 140-2 approved Random Number Generator (RNG) using DRGB. Sequentially generated session IDs can be easily guessed by an attacker. Employing the concept of randomness in the generation of unique session identifiers helps to protect against brute-force attacks to determine future session identifiers. Unique sess
    SV-242659r720805_rule CSCO-NM-000540 CCI-001199 HIGH The Cisco ISE must only allow authorized administrators to view or change the device configuration, system files, and other files stored. This requirement is intended to address the confidentiality and integrity of system information at rest (e.g., network device rule sets) when it is located on a storage device within the network device or as a component of the network device. This protect
    SV-242660r714290_rule CSCO-NM-000550 CCI-002385 MEDIUM 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. DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity. This requirement addresses the configuration of network devices to mit
    SV-242661r714293_rule CSCO-NM-000560 CCI-002605 MEDIUM The Cisco ISE must be configured to send log data to a central log server for the purpose of forwarding alerts to the administrators and the ISSO. The aggregation of log data kept on a syslog server can be used to detect attacks and trigger an alert to the appropriate security personnel. The stored log data can used to detect weaknesses in security that enable the network IA team to find and address
    SV-242662r714296_rule CSCO-NM-000650 CCI-001464 MEDIUM The Cisco ISE must initiate session auditing upon startup. If auditing is enabled late in the startup process, the actions of some start-up processes may not be audited. Some audit systems also maintain state information only available if auditing is enabled before a given process is created.
    SV-242663r714299_rule CSCO-NM-000720 CCI-000135 MEDIUM The Cisco ISE must generate audit records containing the full-text recording of privileged commands. Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information. Organizations consider limiting the additional audit information to only that information explicitly needed for specific audit requ