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For endpoints that require automated remediation, Forescout must be configured to logically separate endpoints from the trusted network traffic during remediation. This is required for compliance with C2C Step 4.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-233311FORE-NC-000030SV-233311r1018659_ruleCCI-000213high
Description
Automated and manual procedures for remediation for critical security updates will be managed differently. Continuing to assess and remediate endpoints with risks that could endanger the network could impact network usage for all users. This isolation prevents traffic from flowing with traffic from endpoints that have been fully assessed and authorized. This requirement does not mandate a remediation network be used, but rather requires that it be secured where used. For example, unauthenticated devices must not be allowed to connect to remediation networks. Many sites block unauthorized traffic directly using the Forescout. Forescout accepts only endpoints with IP addresses that are in range. Configure Forescout to identify the endpoint. By default, the IP address is used as the endpoint identifier. The system can be configured to capture the following other endpoint unique identifiers if approved for use by the SSP as the identification method: BIOS Serial number and other hardcoded attributes, OS host name, etc.
STIGDate
Forescout Network Access Control Security Technical Implementation Guide2025-06-12

Related Frameworks

1 mapping across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (20) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

CFG-02Secure Baseline Configurations
1.00
CRY-01Use of Cryptographic Controls
1.00
DCH-01Data Protection
1.00
HRS-02Position Categorization
1.00
HRS-11Separation of Duties (SoD)
1.00
IAC-01Identity & Access Management (IAM)
1.00
IAC-01.2Authenticate, Authorize and Audit (AAA)
1.00
IAC-02Identification & Authentication for Organizational Users
1.00
IAC-03Identification & Authentication for Non-Organizational Users
1.00
IAC-04Identification & Authentication for Devices
1.00

+10 more (top 10 by confidence shown)

NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (93) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-10Concurrent Session Control
1.00
AC-16Security and Privacy Attributes
1.00
AC-17(1)Monitoring and Control
1.00
AC-17(10)Authenticate Remote Commands
1.00
AC-17(2)Protection of Confidentiality and Integrity Using Encryption
1.00
AC-18(1)Authentication and Encryption
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(10)Shared and Group Account Credential Change
1.00
AC-2(11)Usage Conditions
1.00
AC-2(2)Automated Temporary and Emergency Account Management
1.00

+83 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (2) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.1.1
1.00
3.1.2
1.00
CCI1 mapping
CCI-000213
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (3) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

PR.AA-05
1.00
PR.DS-10
1.00
PR.IR-01
1.00

Who does this work

17 NICE work roles and 9 EC-Council certifications.

This is an inference across published mappings, not a single claim by anyone. This check maps to a control, which maps to a Cybersecurity Framework outcome, which NIST assigns to the work roles below. EC-Council separately maps its certifications to those same roles.

A certification prepares someone for a role. It is not evidence that a holder is qualified, and neither NIST nor EC-Council has stated that any certification here addresses this check.

Work-role assignments published by NIST (NICE Framework Components 2.2.0 and the CSF 2.0 OLIR crosswalk). Certification mappings published by EC-Council.

Details

Check Text (C-233311r1018659_chk)

If DOD is not at C2C Step 4 or higher, this is not a finding. If a separate remediation network is configured and isolated from the trusted network, this is not a finding. Use the Forescout Administrator UI to verify that Forescout is configured to either redirect endpoints requiring automated remediation to a network segment that is isolated from trusted traffic or, if assessment is done on the Forescout, the endpoint traffic is logically separate during remediation. If Forescout does not isolate endpoints during remediation, this is a finding.

Fix Text (F-36471r803453_fix)

Use the Forescout Administrator UI to configure a policy, per the SSP, that isolates endpoints requiring automated remediation from other endpoints on the trusted network. The following is an example only. 1. From the Policy tab, select the top most policy. 2. Select Add >> Classification >> Primary Classification, and then click Next. 3. Give the policy a name, then click Next. 4. Select the IP Address Range the policy will apply to, click "OK," and then click "Next". 5. Select "Finish", and then click "Apply". This collects a series of attributes for each endpoint that can then be used in a policy as the unique identifier. However, by default the IP address is used, for example in the log records.