CVE-2020-28970

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.)

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-20-1448/	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 09:57

NVD link : CVE-2020-28970

Mitre link : CVE-2020-28970

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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