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User Entries to Server List must be disallowed.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-228471DTOO286SV-228471r508021_ruleCCI-000381medium
Description
This policy setting controls whether Outlook users can add entries to the list of SharePoint servers when establishing a meeting workspace. If you enable this policy setting, you can choose between two options to determine whether Outlook users can add entries to the published server list: - Publish default, allow others. This option is the default configuration in Outlook. - Publish default, disallow others. This option prevents users from adding servers to the default published server list. If you disable or do not configure this policy setting, when users create a meeting workspace, they can choose a server from a default list provided by administrators or manually enter the address of a server that is not listed. This is the equivalent of Enabled -- Publish default, allow others.
STIGDate
Microsoft Outlook 2016 Security Technical Implementation Guide2022-03-11

Related Frameworks

1 mapping across 5 frameworks
SCF0 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.

CFG-01Configuration Management Program
1.00
CFG-03Least Functionality
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (36) 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-11Device Lock
1.00
AC-17(1)Monitoring and Control
1.00
AC-17(10)Authenticate Remote Commands
1.00
AC-17(9)Disconnect or Disable Access
1.00
AC-18(1)Authentication and Encryption
1.00
AC-2(1)Automated System Account Management
1.00
AC-3Access Enforcement
1.00
AC-4Information Flow Enforcement
1.00
AU-12Audit Record Generation
1.00
AU-3Content of Audit Records
1.00

+26 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (1) 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.

3.4.6
1.00
CCI1 mapping
CCI-000381
1.00
NIST CSF 2.00 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.

PR.PS-01
1.00
PR.PS-05
1.00

Who does this work

5 NICE work roles and 5 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-228471r508021_chk)

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Meeting Workspace "Disable user entries to server list" is set to "Enabled (Publish default, disallow others)". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\meetings\profile Criteria: If the value ServerUI is REG_DWORD = 2, this is not a finding.

Fix Text (F-30689r497736_fix)

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Meeting Workspace "Disable user entries to server list" to "Enabled (Publish default, disallow others)".