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ONTAP guidance for Microsoft KB 5021131

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ontap-9
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nas
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Applies to

  • ONTAP 9
  • RC 4 ciphers
  • AES

Issue

As per Microsoft KB 5021131:
 

Summary

The November 8, 2022 and later Windows updates address security bypass and elevation of privilege vulnerability with Authentication Negotiation by using weak RC4-HMAC negotiation.
 
  • This update will set AES as the default encryption type for session keys on accounts that are not marked with a default encryption type already.
  • To help secure your environment, install the Windows update that is dated November 8, 2022 or a later Windows update to all devices, including domain controllers.
  • To learn more about these vulnerabilities,see CVE-2022-37966.

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