SB2021070502 - Remote code execution in Western Digital My Cloud PR4100



SB2021070502 - Remote code execution in Western Digital My Cloud PR4100

Published: July 5, 2021

Security Bulletin ID SB2021070502
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Missing authentication for critical function (CVE-ID: N/A)

The vulnerability allows a remote attacker to compromise the affected device.

The vulnerability exists due to an error in the configuration when accessing the management API along with an empty password for the "nobody" user account. A remote non-authenticated attacker can login  under the "nobody" user account with an empty password to the administrative interface and upload an arbitrary OS image onto the device.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.


Remediation

Install update from vendor's website.