CVE-2020-28970

EUVD-2020-21355
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.)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 87%
Affected Products (NVD)
VendorProductVersion
westerndigitalmy_cloud_os_5
𝑥
< 5.06.115
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.wdc.com/downloads.aspx?g=907&lang=en#downloads
https://www.westerndigital.com/support/productsecurity/wdc-20009-os5-firmware-5-06-115
https://www.zerodayinitiative.com/advisories/ZDI-20-1448/
https://support.wdc.com/downloads.aspx?g=907&lang=en#downloads
https://www.westerndigital.com/support/productsecurity/wdc-20009-os5-firmware-5-06-115
https://www.zerodayinitiative.com/advisories/ZDI-20-1448/