The system must enforce the limit of three consecutive invalid logon attempts by a user.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-63179 | ESXI-06-000005 | SV-77669r1_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 ESXi 6.0 Security Technical Implementation Guide | 2019-01-04 |
Details
| Check Text ( C-63913r1_chk ) |
|---|
| From the vSphere Client select the ESXi Host and go to Configuration >> Advanced 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-69097r1_fix) |
|---|
| From the vSphere Client select the ESXi Host and go to Configuration >> Advanced Settings. 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 |