CVE-2022-22991: (Pwn2Own) Western Digital MyCloud PR4100 ConnectivityService Command Injection Remote Code Execution Vulnerability
First published: Thu Jan 13 2022(Updated: )
A malicious user on the same LAN could use DNS spoofing followed by a command injection attack to trick a NAS device into loading through an unsecured HTTP call. Addressed this vulnerability by disabling checks for internet connectivity using HTTP.
Credit: psirt@wdc.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Western Digital MyCloud PR4100 | ||
| Westerndigital My Cloud Os | <5.19.117 | |
| Westerndigital My Cloud | ||
| Westerndigital My Cloud Dl2100 | ||
| Westerndigital My Cloud Dl4100 | ||
| Westerndigital My Cloud Ex2 Ultra | ||
| Westerndigital My Cloud Ex2100 | ||
| Westerndigital My Cloud Ex4100 | ||
| Westerndigital My Cloud Mirror Gen 2 | ||
| Westerndigital My Cloud Pr2100 | ||
| Westerndigital My Cloud Pr4100 | ||
| Westerndigital Wd Cloud |
Remedy
Update your My Cloud device to firmware version 5.19.117.
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Reference Links
Frequently Asked Questions
What is CVE-2022-22991?
CVE-2022-22991 is a vulnerability that allows network-adjacent attackers to execute arbitrary code on affected installations of Western Digital MyCloud PR4100.
Is authentication required to exploit CVE-2022-22991?
No, authentication is not required to exploit this vulnerability.
What is the severity of CVE-2022-22991?
The severity of CVE-2022-22991 is high with a CVSS score of 8.8.
Which software versions of Western Digital MyCloud PR4100 are affected by CVE-2022-22991?
Western Digital MyCloud PR4100 with My Cloud OS version up to exclusive 5.19.117 is affected by this vulnerability.
How can I fix CVE-2022-22991?
To fix CVE-2022-22991, update your Western Digital MyCloud PR4100 to the latest firmware version.
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- canonical/westerndigital my cloud pr4100
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