The Exchange Post Office Protocol 3 (POP3) service must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-259668 | EX19-MB-000066 | SV-259668r960963_rule | CCI-000381 | medium |
| Description | ||||
| POP3 is not approved for use within the DOD. It uses a clear-text-based user name and password and does not support the DOD standard for PKI for email access. User name and password could easily be captured from the network, allowing a malicious user to access other system features. Uninstalling or disabling the service will prevent the use of POP3. | ||||
| STIG | Date | |||
| Microsoft Exchange 2019 Mailbox Server Security Technical Implementation Guide | 2025-05-14 | |||
Related Frameworks
3 paths across 3 frameworks
Related Frameworks
NIST 800-531 mapping
CM-7
1.00
- DISA · V2R3 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.4.6
1.00
- DISA · V2R3 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
- NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-000381
1.00
- DISA · V2R3 · disa_xccdf · related
Details
Check Text (C-259668r960963_chk)
Get-Service -Name MSExchangePop3,MSExchangePOP3BE |Select-Object -Property Name,StartType
If any of the POP3 services StartType is NOT set to "Disabled", this is a finding.
Fix Text (F-63315r942317_fix)
Open the Windows PowerShell in an Elevated Prompt and enter the following commands:
Get-Service -Name MSExchangePop3,MSExchangePOP3BE |ForEach-Object {Set-Service -Name $_.Name -StartupType Disabled}