Finding ID | Version | Rule ID | IA Controls | Severity |
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V-254431 | WN22-MS-000040 | SV-254431r971545_rule | Medium |
Description |
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Unauthenticated RPC clients may allow anonymous access to sensitive information. Configuring RPC to restrict unauthenticated RPC clients from connecting to the RPC server will prevent anonymous connections. |
STIG | Date |
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Microsoft Windows Server 2022 Security Technical Implementation Guide | 2024-06-14 |
Check Text ( C-57916r849107_chk ) |
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This applies to member servers and standalone or nondomain-joined systems, it is NA for domain controllers. If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows NT\Rpc\ Value Name: RestrictRemoteClients Type: REG_DWORD Value: 0x00000001 (1) |
Fix Text (F-57867r849108_fix) |
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Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Remote Procedure Call >> Restrict Unauthenticated RPC clients to "Enabled" with "Authenticated" selected. |