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

Windows Server 2019 machine inactivity limit must be set to 15 minutes or less, locking the system with the screen saver.

DISA Rule

SV-205633r569188_rule

Vulnerability Number

V-205633

Group Title

SRG-OS-000028-GPOS-00009

Rule Version

WN19-SO-000120

Severity

CAT II

CCI(s)

• CCI-000056 - The information system retains the session lock until the user reestablishes access using established identification and authentication procedures.
• CCI-000057 - The information system initiates a session lock after the organization-defined time period of inactivity.
• CCI-000060 - The information system conceals, via the session lock, information previously visible on the display with a publicly viewable image.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Interactive logon: Machine inactivity limit" to "900" seconds or less, excluding "0" which is effectively 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\Microsoft\Windows\CurrentVersion\Policies\System\

Value Name: InactivityTimeoutSecs

Value Type: REG_DWORD
Value: 0x00000384 (900) (or less, excluding "0" which is effectively disabled)

Vulnerability Number

V-205633

Documentable

False

Rule Version

WN19-SO-000120

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\Microsoft\Windows\CurrentVersion\Policies\System\

Value Name: InactivityTimeoutSecs

Value Type: REG_DWORD
Value: 0x00000384 (900) (or less, excluding "0" which is effectively disabled)

Check Content Reference

M

Target Key

2907

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