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CCE
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CCE-45061-9

Platform: cpe:/o:microsoft:windows_server_2016Date: (C)2017-08-03   (M)2023-07-04



This policy setting allows you to manage whether the Windows Remote Management (WinRM) service accepts Basic authentication from a remote client. If you enable this policy setting, the WinRM service will accept Basic authentication from a remote client. If you disable or do not configure this policy setting, the WinRM service will not accept Basic authentication from a remote client. Vulnerability: Basic authentication is less robust than other authentication methods available in WinRM because credentials including passwords are transmitted in plain text. An attacker who is able to capture packets on the network where WinRM is running may be able to determine the credentials used for accessing remote hosts via WinRM. Counter Measure: Disable this policy setting. Potential Impact: If you enable this policy setting, the WinRM service will accept Basic authentication from a remote client. If you disable or do not configure this policy setting, the WinRM service will not accept Basic authentication from a remote client. Fix: (1) GPO: Computer ConfigurationAdministrative TemplatesWindows ComponentsWindows Remote Management (WinRM)WinRM ServiceAllow Basic authentication (2) REG: HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindowsWinRMService!AllowBasic


Parameter:

[enable/disable]


Technical Mechanism:

(1) GPO: Computer Configuration\Administrative Templates\Windows Components\Windows Remote Management (WinRM)\WinRM Service\Allow Basic authentication (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WinRM\Service!AllowBasic

CCSS Severity:CCSS Metrics:
CCSS Score : 6.5Attack Vector: NETWORK
Exploit Score: 2.2Attack Complexity: HIGH
Impact Score: 4.2Privileges Required: NONE
Severity: MEDIUMUser Interaction: NONE
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:LScope: UNCHANGED
 Confidentiality: HIGH
 Integrity: NONE
 Availability: LOW
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:40315


OVAL    1
oval:org.secpod.oval:def:40315
XCCDF    2
xccdf_org.secpod_benchmark_general_Windows_Server_2016
xccdf_org.secpod_benchmark_NIST_800_171_R1_Windows_Server_2016

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