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 privileged commands on the device.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.westerndigital.com/support/productsecurity/wdc-20009-os5-firmware-5-06-115	Vendor Advisory
https://support.wdc.com/downloads.aspx?g=907&lang=en#downloads	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1445/	Third Party Advisory VDB Entry

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:*

OR	cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:::::::*
	cpe:2.3:h:westerndigital:my_cloud_ex4100:-:::::::*
	cpe:2.3:h:westerndigital:my_cloud_mirror_gen_2:-:::::::*
	cpe:2.3:h:westerndigital:my_cloud_pr2100:-:::::::*
	cpe:2.3:h:westerndigital:my_cloud_pr4100:-:::::::*

Information

Published : 2020-12-01 08:15

Updated : 2022-04-26 09:35

NVD link : CVE-2020-28940

Mitre link : CVE-2020-28940

JSON object : View

CWE

CWE-287

Improper Authentication

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Products Affected

westerndigital

my_cloud_os_5
my_cloud_pr2100
my_cloud_ex4100
my_cloud_mirror_gen_2
my_cloud_pr4100
my_cloud_ex2_ultra

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