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WD My Cloud DLNA Vulnerability

A vulnerability has been identified in Western Digital's MyCloud devices which allows unauthenticated local users full access to the device's contents.
Report a cyber attack: call 0300 303 5222 or email [email protected]

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Summary

A vulnerability has been identified in Western Digital's MyCloud devices which allows unauthenticated local users full access to the device's contents.

Threat details

The vulnerability lies in the UPnP (Universal Plug 'n' Play) server which is enabled by default on all MyCloud devices. Using HTTP requests, an attacker is able to bypass any permissions, authentication or restrictions set by administrators.


Remediation advice

Users are advised to refer to the WD Support Advisory
Ensure:

Remediation steps

Type Step
  • Sensitive data is located in a Password protected My Cloud Share.
  • Media Serving is disabled for Shares containing sensitive data or disable Twonky DLNA Media Server for the entire My Cloud.

Last edited: 17 February 2020 12:57 pm