STIGViewer Support

If a device requesting access fails Forescout policy assessment, Forescout must communicate with other components and the switch to either terminate the session or isolate the device from the trusted network for remediation. This is required for compliance with C2C Step 3.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-233312FORE-NC-000040SV-233312r1113801_ruleCCI-000213high
Description
Endpoints with identified security flaws and weaknesses endanger the network and other devices on it. Isolation or termination prevents traffic from flowing with traffic from endpoints that have been fully assessed and authorized.
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
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.

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-233312r1113801_chk)

If DOD is not at C2C Step 3 or higher, this is not a finding. Use the Forescout Administrator UI to verify that policies are configured to filter the policy assessment devices based on risk and are remediated or isolated according to the SSP. 1. In the Forescout UI, go to the Policy Tab >> Compliance or Control Policies. 2. Verify the action within Compliance Policies is configured with one of the following actions: - Terminate the connection and place the device on a denylist to prevent future connection attempts until action is taken to remove the device from the denylist. - Redirect traffic from the remote endpoint to the automated remediation subnet for connection to the remediation server or segment the endpoint to a remediation VLAN. Use of ACLs or a VLAN solution is acceptable. - Allow the device access to limited network services such as public web servers in the protected DMZ (must be approved by the authorizing official [AO]). - Allow the device and user full entry into the protected networks, but flag it for future remediation. With this option, an automated reminder should be used to inform the user of the remediation status. If Forescout does not communicate with the remote access gateway to implement a policy to either terminate the session or isolate the device from the trusted network this is a finding.

Fix Text (F-36472r1111885_fix)

Use the Forescout Administrator UI to configure policies according to the SSP to filter assessed devices based on risk. Ensure the policies remediate or segment the at-risk devices according to the SSP. 1. In the Forescout UI, go to the Policy Tab >> Compliance or Control Policies. 2. Select a policy, then click “Edit”. 3. Configure the Compliance Policies to include any of the following actions: - Terminate the connection and place the device on a denylist to prevent future connection attempts until action is taken to remove the device from the denylist. - Redirect traffic from the remote endpoint to the automated remediation subnet for connection to the remediation server or segment the endpoint to a remediation VLAN. Use of ACLs or a VLAN solution is acceptable. - Allow the device access to limited network services such as public web servers in the protected DMZ (must be approved by the AO). - Allow the device and user full entry into the protected networks, but flag it for future remediation. With this option, an automated reminder must be used to inform the user of the remediation status.