STIGQter: STIG Summary: Microsoft Windows Server 2019 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

Windows Server 2019 reversible password encryption must be disabled.

DISA Rule

SV-205653r569188_rule

Vulnerability Number

V-205653

Group Title

SRG-OS-000073-GPOS-00041

Rule Version

WN19-AC-000090

Severity

CAT I

CCI(s)

• CCI-000196 - The information system, for password-based authentication, stores only cryptographically-protected passwords.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Account Policies >> Password Policy >> "Store passwords using reversible encryption" to "Disabled".

Check Contents

Verify the effective setting in Local Group Policy Editor.

Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Account Policies >> Password Policy.

If the value for "Store passwords using reversible encryption" is not set to "Disabled", this is a finding.

For server core installations, run the following command:

Secedit /Export /Areas SecurityPolicy /CFG C:\Path\FileName.Txt

If "ClearTextPassword" equals "1" in the file, this is a finding.

Vulnerability Number

V-205653

Documentable

False

Rule Version

WN19-AC-000090

Severity Override Guidance

Verify the effective setting in Local Group Policy Editor.

Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Account Policies >> Password Policy.

If the value for "Store passwords using reversible encryption" is not set to "Disabled", this is a finding.

For server core installations, run the following command:

Secedit /Export /Areas SecurityPolicy /CFG C:\Path\FileName.Txt

If "ClearTextPassword" equals "1" in the file, this is a finding.

Check Content Reference

M

Target Key

2907

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