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. This was en...

Description

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 This was enabled to maintain compatibility with old or outdated home routers.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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.18%

8.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-757

Affected Software

Vendor	Product	Versions
Westerndigital	My Cloud Pr2100 Firmware	< 5.23.114
Westerndigital	My Cloud Pr4100 Firmware	< 5.23.114
Westerndigital	My Cloud Ex4100 Firmware	< 5.23.114
Westerndigital	My Cloud Ex2 Ultra Firmware	< 5.23.114
Westerndigital	My Cloud Mirror G2 Firmware	< 5.23.114
Westerndigital	My Cloud Dl2100 Firmware	< 5.23.114
Westerndigital	My Cloud Dl4100 Firmware	< 5.23.114
Westerndigital	My Cloud Ex2100 Firmware	< 5.23.114
Westerndigital	My Cloud Firmware	< 5.23.114

References

Timeline

Published: Jul 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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. This was enabled to maintain compatibility with old or outdated home routers.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.

How severe is CVE-2022-23000?

CVE-2022-23000 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23000?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.