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

Anonymous enumeration of Security Account Manager (SAM) accounts must not be allowed.

DISA Rule

SV-225045r569186_rule

Vulnerability Number

V-225045

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

WN16-SO-000260

Severity

CAT I

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Do not allow anonymous enumeration of SAM accounts" to "Enabled".

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: \SYSTEM\CurrentControlSet\Control\Lsa\

Value Name: RestrictAnonymousSAM

Value Type: REG_DWORD
Value: 0x00000001 (1)

Vulnerability Number

V-225045

Documentable

False

Rule Version

WN16-SO-000260

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: \SYSTEM\CurrentControlSet\Control\Lsa\

Value Name: RestrictAnonymousSAM

Value Type: REG_DWORD
Value: 0x00000001 (1)

Check Content Reference

M

Target Key

4205

Comments