The ESXi host must enforce the limit of three consecutive invalid logon attempts by a user.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-207606 | ESXI-65-000005 | SV-207606r378517_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 ESXi Security Technical Implementation Guide | 2021-09-22 |
Details
| Check Text ( C-7861r364217_chk ) |
|---|
| From the vSphere Web Client select the ESXi Host and go to Configure >> System >> Advanced System Settings. Select the Security.AccountLockFailures value and verify it is set to 3. or From a PowerCLI command prompt while connected to the ESXi host run the following command: Get-VMHost | Get-AdvancedSetting -Name Security.AccountLockFailures and verify it is set to 3. If the Security.AccountLockFailures is set to a value other than 3, this is a finding. |
| Fix Text (F-7861r364218_fix) |
|---|
| From the vSphere Web Client select the ESXi Host and go to Configure >> System >> Advanced System Settings. Click Edit and select the Security.AccountLockFailures value and configure it to 3. or From a PowerCLI command prompt while connected to the ESXi host run the following command: Get-VMHost | Get-AdvancedSetting -Name Security.AccountLockFailures | Set-AdvancedSetting -Value 3 |