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Windows Server 2019 PKI certificates associated with user accounts must be issued by a DoD PKI or an approved External Certificate Authority (ECA).

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-205647WN19-DC-000300SV-205647r958448_ruleCCI-000185high
Description
A PKI implementation depends on the practices established by the Certificate Authority (CA) to ensure the implementation is secure. Without proper practices, the certificates issued by a CA have limited value in authentication functions.
STIGDate
Microsoft Windows Server 2019 Security Technical Implementation Guide2026-02-12

Related Frameworks

1 mapping across 3 frameworks
SCF0 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.

IAC-10.2PKI-Based Authentication
1.00
NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (53) 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-12Session Termination
1.00
AC-17(10)Authenticate Remote Commands
1.00
AC-17(2)Protection of Confidentiality and Integrity Using Encryption
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(11)Usage Conditions
1.00
AC-2(2)Automated Temporary and Emergency Account Management
1.00
AC-2(3)Disable Accounts
1.00
AC-2(4)Automated Audit Actions
1.00
AC-3Access Enforcement
1.00
AC-4(17)Domain Authentication
1.00

+43 more (top 10 by confidence shown)

CCI1 mapping
CCI-000185
1.00

Details

Check Text (C-205647r958448_chk)

This applies to domain controllers. It is NA for other systems. Review user account mappings to PKI certificates. Open "Windows PowerShell". Enter "Get-ADUser -Filter * | FT Name, UserPrincipalName, Enabled". Exclude disabled accounts (e.g., DefaultAccount, Guest) and the krbtgt account. If the User Principal Name (UPN) is not in the format of an individual's identifier for the certificate type and for the appropriate domain suffix, this is a finding. For standard NIPRNet certificates, the individual's identifier is in the format of an Electronic Data Interchange - Personnel Identifier (EDI-PI). Alt Tokens and other certificates may use a different UPN format than the EDI-PI which vary by organization. Verified these with the organization. NIPRNet Example: Name - User Principal Name User1 - 1234567890@mil See PKE documentation for other network domain suffixes. If the mappings are to certificates issued by a CA authorized by the Component's CIO, this is a CAT II finding.

Fix Text (F-5912r354860_fix)

Map user accounts to PKI certificates using the appropriate User Principal Name (UPN) for the network. See PKE documentation for details.