CVE-2023-22813 — A device API endpoint was missing access controls on Western Digital My Cloud OS

A device API endpoint was missing access controls on Western Digital My Cloud OS 5 iOS and Anroid Mobile Apps, My Cloud Home iOS and Android Mobile Apps, SanDisk ibi iOS and Android Mobile Apps, My Cloud OS 5 Web App, My Cloud Home Web App and the SanDisk ibi Web App. Due to a pe

01What is this vulnerability?

A device API endpoint was missing access controls on Western Digital My Cloud OS 5 iOS and Anroid Mobile Apps, My Cloud Home iOS and Android Mobile Apps, SanDisk ibi iOS and Android Mobile Apps, My Cloud OS 5 Web App, My Cloud Home Web App and the SanDisk ibi Web App. Due to a permissive CORS policy and missing authentication requirement for private IPs, a remote attacker on the same network as…

02Affected products

Vendor	Product	Versions
Western Digital	My Cloud OS 5 Mobile App	0
Western Digital	My Cloud Home Mobile App	0
SanDisk	ibi Mobile App	0
Western Digital	My Cloud OS 5 Web App	0
Western Digital	My Cloud Home Web App	0
SanDisk	ibi Web App	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-05-08T22:56:49.389Z
• Last modified: 2025-01-29T14:52:23.130Z

09References

• www.westerndigital.com — https://www.westerndigital.com/support/product-security/wdc-23004-western-digita…