Critical severity9.8NVD Advisory· Published Dec 1, 2020· Updated Jun 17, 2026
CVE-2020-28970
CVE-2020-28970
Description
An issue was discovered on Western Digital My Cloud OS 5 devices before 5.06.115. A NAS Admin authentication bypass vulnerability could allow an unauthenticated user to execute privileged commands on the device via a cookie. (In addition, an upload endpoint could then be used by an authenticated administrator to upload executable PHP scripts.)
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Affected products
3cpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:*range: <5.06.115
- (no CPE)range: <5.06.115
- Western Digital/My Cloud OS 5description
Patches
Vulnerability mechanics
References
3- support.wdc.com/downloads.aspxnvdPatchVendor Advisory
- www.westerndigital.com/support/productsecurity/wdc-20009-os5-firmware-5-06-115nvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-20-1448/nvdThird Party AdvisoryVDB Entry
News mentions
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