Unauthenticated File Upload Vulnerability in Western Digital My Cloud Devices
CVE-2019-9951

9.8CRITICAL

Key Information:

Vendor

Western Digital

Status
My Cloud Mirror Gen 2 Firmware
Vendor
CVE Published:
24 April 2019

What is CVE-2019-9951?

Certain Western Digital My Cloud devices are susceptible to a critical security flaw that allows an unauthenticated user to upload arbitrary files through an unsecured endpoint. This vulnerability exists in the web interface, specifically in the 'uploadify.php' script of the firmware versions prior to 2.31.174. Due to the lack of authentication on this endpoint, attackers can exploit this vulnerability to upload malicious files, which may lead to unauthorized access and further compromise the integrity of the system.

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References

https://community.wd.com/t/new-release-my-cloud-firmware-...
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https://support.wdc.com/downloads.aspx?g=2702&lang=en
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https://bnbdr.github.io/posts/wd/
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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