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Check: WN16-DC-000401

Microsoft Windows Server 2016 STIG: WN16-DC-000401 (in version v2 r10)

Title

Windows Server 2016 must be configured for name-based strong mappings for certificates. (Cat I impact)

Discussion

Weak mappings give rise to security vulnerabilities and demand hardening measures. Certificate names must be correctly mapped to the intended user account in Active Directory. A lack of strong name-based mappings allows certain weak certificate mappings, such as Issuer/Subject AltSecID and User Principal Names (UPN) mappings, to be treated as strong mappings.

Check Content

This requirement is not applicable for Member Servers. Note: This requirement is a permanent finding for server 2016 domain controllers per DOD CIO Memo Upgrading of MS Domain Controller OS to MS Server 2019 or Later (CIO000911-23). If the server is acting as a domain controller, this is a finding.

Fix Text

For servers acting as a domain controller, upgrade the operating system to Microsoft Server 2019 or greater.

Additional Identifiers

Rule ID: SV-271430r1059573_rule

Vulnerability ID: V-271430

Group Title: SRG-OS-000080-GPOS-00048

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CCIs

CCIs tied to check.

Number	Definition
CCI-000213	Enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-3	Access Enforcement