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CCE
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CCE-41505-9

Platform: cpe:/o:microsoft:windows_10Date: (C)2016-09-23   (M)2023-07-04



Disable: 'Network Security: Restrict NTLM: Add server exceptions in this domain' for DCAllowedNTLMServers This policy setting allows you to create an exception list of servers in this domain to which clients are allowed to use NTLM pass-through authentication if the "Network Security: Restrict NTLM: Deny NTLM authentication in this domain" is set. The naming format for servers on this exception list is the fully qualified domain name (FQDN) or NetBIOS server name used by the calling application listed one per line. A single asterisk (*) can be used at the beginning or end of the string as a wildcard character. Counter Measure: Configure Network Security: Restrict NTLM: Add server exceptions in this domain as appropriate for the authentication requirements in your environment. Potential Impact: If you configure this policy setting, you can define a list of servers in this domain to which clients are allowed to use NTLM authentication. If you do not configure this policy setting, no exceptions will be applied."


Parameter:

[server exception]


Technical Mechanism:

(1) GPO: Computer ConfigurationWindows SettingsSecurity SettingsLocal PoliciesSecurity OptionsNetwork Security: Restrict NTLM: Add server exceptions in this domain (2) REG: HKEY_LOCAL_MACHINESystemCurrentControlSetServicesNetlogonParametersDCAllowedNTLMServers

CCSS Severity:CCSS Metrics:
CCSS Score : 9.9Attack Vector: NETWORK
Exploit Score: 3.1Attack Complexity: LOW
Impact Score: 6.0Privileges Required: LOW
Severity: CRITICALUser Interaction: NONE
Vector: AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HScope: CHANGED
 Confidentiality: HIGH
 Integrity: HIGH
 Availability: HIGH
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:34980


OVAL    1
oval:org.secpod.oval:def:34980
XCCDF    2
xccdf_org.secpod_benchmark_NIST_800_171_R1_Windows_10
xccdf_org.secpod_benchmark_general_Windows_10

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