Critical severity · published Dec 1, 2020
CVE-2020-28940
On Western Digital My Cloud OS 5 devices before 5.06.115, the NAS Admin dashboard has an authentication bypass vulnerability that could allow an unauthenticated user to execute…
9.8
CVSS
3.9%
EPSS
No
On KEV
Description
On Western Digital My Cloud OS 5 devices before 5.06.115, the NAS Admin dashboard has an authentication bypass vulnerability that could allow an unauthenticated user to execute privileged commands on the device.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MY Cloud OS 5 · Westerndigital
before 5.06.115 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-28940
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-28940
Patch
https://support.wdc.com/downloads.aspx?g=907&lang=en#downloads
Vendor Advisory
https://www.westerndigital.com/support/productsecurity/wdc-20009-os5-firmware-5-06-115
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1445/
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