STIGQter: STIG Summary: Microsoft Windows Server 2016 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

The Windows Remote Management (WinRM) client must not allow unencrypted traffic.

DISA Rule

SV-224959r569186_rule

Vulnerability Number

V-224959

Group Title

SRG-OS-000393-GPOS-00173

Rule Version

WN16-CC-000510

Severity

CAT II

CCI(s)

• CCI-002890 - The information system implements cryptographic mechanisms to protect the integrity of nonlocal maintenance and diagnostic communications.
• CCI-003123 - The information system implements cryptographic mechanisms to protect the confidentiality of nonlocal maintenance and diagnostic communications.

Weight

10

Fix Recommendation

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

Check Contents

If the following registry value does not exist or is not configured as specified, this is a finding.

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\Windows\WinRM\Client\

Value Name: AllowUnencryptedTraffic

Type: REG_DWORD
Value: 0x00000000 (0)

Vulnerability Number

V-224959

Documentable

False

Rule Version

WN16-CC-000510

Severity Override Guidance

If the following registry value does not exist or is not configured as specified, this is a finding.

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\Windows\WinRM\Client\

Value Name: AllowUnencryptedTraffic

Type: REG_DWORD
Value: 0x00000000 (0)

Check Content Reference

M

Target Key

4205

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