The NSX vCenter must automatically lock the account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes are exceeded.

From VMware NSX Manager Security Technical Implementation Guide

Part of SRG-APP-000345-NDM-000290

Associated with: CCI-002238

SV-83803r1_rule The NSX vCenter must automatically lock the account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes are exceeded.

Vulnerability discussion

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

Check content

Verify vCenter Server is configured to a limit of three consecutive invalid logon attempts by a Single Sign-On user and Active Directory user during a 15-minute time period. Log on to vSphere Web Client with credentials authorized for administration, navigate and select Administration >> Single Sign-On >> Configuration >> Policies >> Lockout Policy. View the values for the lockout policies. The following lockout policies must be set as follows: Maximum number of failed login attempts: 3 Time interval between failures: 900 seconds Unlock time: 0 If any of these account lockout policies are not configured in Single Sign-On and Active Directory as stated, this is a finding.

Fix text

Change vCenter Server configuration to a limit of three consecutive invalid logon attempts by a Single Sign-On and Active Directory user during a 15-minute time period. Log on to vSphere Web Client with credentials authorized for administration, navigate and select Administration >> Single Sign-On >> Configuration >> Policies >> Lockout Policy. View the values for the lockout policies. The following lockout policies must be set as follows: Maximum number of failed login attempts: 3 Time interval between failures: 900 seconds Unlock time: 0 Ensure Active Directory is configured with these account lockout settings as stated.

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