CVE-2022-23000
The Western Digital My Cloud Web App [https://os5.mycloud.com/] uses a weak SSLContext when attempting to configure port forwarding rules.
Impact
The Western Digital My Cloud Web App [https://os5.mycloud.com/] uses a weak SSLContext when attempting to configure port forwarding rules. This was enabled to maintain compatibility with old or outdated home routers. By using an "SSL" context instead of "TLS" or specifying stronger validation, deprecated or insecure protocols are permitted. As a result, a local user with no privileges can exploit this vulnerability and jeopardize the integrity, confidentiality and authenticity of information transmitted. The scope of impact cannot extend to other components and no user input is required to exploit this vulnerability.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Westerndigital | My Cloud Pr2100 Firmware | before 5.23.114 |
| Westerndigital | My Cloud Pr4100 Firmware | before 5.23.114 |
| Westerndigital | My Cloud Ex4100 Firmware | before 5.23.114 |
| Westerndigital | My Cloud Ex2 Ultra Firmware | before 5.23.114 |
| Westerndigital | My Cloud Mirror G2 Firmware | before 5.23.114 |
| Westerndigital | My Cloud Dl2100 Firmware | before 5.23.114 |
| Westerndigital | My Cloud Dl4100 Firmware | before 5.23.114 |
| Westerndigital | My Cloud Ex2100 Firmware | before 5.23.114 |
| Westerndigital | My Cloud Firmware | before 5.23.114 |