The vCenter Server for Windows must limit the maximum number of failed login attempts to three.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-94793	VCWN-65-000045	SV-104623r1_rule		Medium

Description
By limiting the number of failed login attempts, the risk of unauthorized access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the account.

STIG	Date
VMware vSphere 6.5 vCenter Server for Windows Security Technical Implementation Guide	2020-03-27

Details

Check Text ( C-93987r1_chk )
From the vSphere Web Client go to Administration >> Single Sign-On >> Configuration >> Policies >> Lockout Policy. View the values for the lockout policies. The following lockout policy should be set at follows: Maximum number of failed login attempts: 3 If this account lockout policy is not configured as stated, this is a finding.

Fix Text (F-100915r1_fix)
From the vSphere Web Client go to Administration >> Single Sign-On >> Configuration >> Policies >> Lockout Policy. Click "Edit". Set the Maximum number of failed login attempts to "3" and click "OK".