CVE-2022-22999: Cross-site Scripting Vulnerability in USB Backups App
First published: Mon Jul 25 2022(Updated: )
Western Digital My Cloud devices are vulnerable to a cross side scripting vulnerability that can allow a malicious user with elevated privileges access to drives being backed up to construct and inject JavaScript payloads into an authenticated user's browser. As a result, it may be possible to gain control over the authenticated session, steal data, modify settings, or redirect the user to malicious websites. The scope of impact can extend to other components.
Credit: psirt@wdc.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Westerndigital My Cloud Pr2100 Firmware | <5.23.114 | |
| Westerndigital My Cloud Pr2100 | ||
| Westerndigital My Cloud Pr4100 Firmware | <5.23.114 | |
| Westerndigital My Cloud Pr4100 | ||
| Westerndigital My Cloud Ex4100 Firmware | <5.23.114 | |
| Westerndigital My Cloud Ex4100 | ||
| Westerndigital My Cloud Ex2 Ultra Firmware | <5.23.114 | |
| Westerndigital My Cloud Ex2 Ultra | ||
| Westerndigital My Cloud Mirror G2 Firmware | <5.23.114 | |
| Westerndigital My Cloud Mirror G2 | ||
| Westerndigital My Cloud Dl2100 Firmware | <5.23.114 | |
| Westerndigital My Cloud Dl2100 | ||
| Westerndigital My Cloud Dl4100 Firmware | <5.23.114 | |
| Westerndigital My Cloud Dl4100 | ||
| Westerndigital My Cloud Ex2100 Firmware | <5.23.114 | |
| Westerndigital My Cloud Ex2100 |
Remedy
To take advantage of the latest security fixes, Western Digital recommends that users promptly update their devices to the latest firmware by clicking on the firmware update notification.
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Reference Links
Frequently Asked Questions
What is CVE-2022-22999?
CVE-2022-22999 is a cross-site scripting vulnerability affecting Western Digital My Cloud devices.
How does CVE-2022-22999 impact Western Digital My Cloud devices?
CVE-2022-22999 allows a malicious user with elevated privileges to inject JavaScript payloads into an authenticated user's browser, potentially gaining unauthorized access to drives being backed up.
Which Western Digital My Cloud devices are affected by CVE-2022-22999?
CVE-2022-22999 affects Western Digital My Cloud PR2100, PR4100, EX4100, EX2 Ultra, Mirror G2, DL2100, DL4100, and EX2100 devices.
What is the severity of CVE-2022-22999?
CVE-2022-22999 has a severity score of 4.8 (high).
How can I protect my Western Digital My Cloud device from CVE-2022-22999?
To protect your device, make sure to update the firmware to version 5.23.114 or higher. Additionally, it is recommended to follow best security practices such as regularly changing passwords and restricting access to the device.
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