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Check: WN08-CC-000127

Windows 8/8.1 STIG: WN08-CC-000127 (in versions v1 r23 through v1 r16)

Title

The Windows Remote Management (WinRM) service must not allow unencrypted traffic. (Cat II impact)

Discussion

Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connections must be encrypted to prevent this.

Check Content

If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\Windows\WinRM\Service\ Value Name: AllowUnencryptedTraffic Type: REG_DWORD Value: 0

Fix Text

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Remote Management (WinRM) -> WinRM Service -> "Allow unencrypted traffic" to "Disabled".

Additional Identifiers

Rule ID: SV-48367r2_rule

Vulnerability ID: V-36719

Group Title: WINCC-000127

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CCIs

CCIs tied to check.

Number	Definition
CCI-002890	Implement organization-defined cryptographic mechanisms to protect the integrity of nonlocal maintenance and diagnostic communications.
CCI-003123	Implement organization-defined cryptographic mechanisms to protect the confidentiality of nonlocal maintenance and diagnostic communications.

Controls

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

Number	Title
MA-4(6)	Cryptographic Protection