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.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
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.
- collector/nvd-index
- agent/weakness
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/remedy
- agent/title
- agent/last-modified-date
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-077
- alias/ZDI-CAN-15856
- alias/CVE-2022-22991
- agent/software-canonical-lookup
- vendor/westerndigital
- canonical/westerndigital my cloud os
- canonical/westerndigital my cloud
- canonical/westerndigital my cloud dl2100
- canonical/westerndigital my cloud dl4100
- canonical/westerndigital my cloud ex2 ultra
- canonical/westerndigital my cloud ex2100
- canonical/westerndigital my cloud ex4100
- canonical/westerndigital my cloud mirror gen 2
- canonical/westerndigital my cloud pr2100
- canonical/westerndigital my cloud pr4100
- canonical/westerndigital wd cloud
- vendor/western digital
- canonical/western digital mycloud pr4100