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MitreCVE-2020-29563

HistoryDec 12, 2020 - 12:15 a.m.

CVE-2020-29563

2020-12-1200:15:12

CWE-287

mitre

web.nvd.nist.gov

cve-2020-29563

western digital

my cloud

os 5

authentication bypass

nas

vulnerability

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.8

Confidence

High

EPSS

0.003

Percentile

70.5%

JSON

An issue was discovered on Western Digital My Cloud OS 5 devices before 5.07.118. A NAS Admin authentication bypass vulnerability could allow an unauthenticated user to gain access to the device.

Affected configurations

Nvd

Node

westerndigitalmy_cloud_os_5Range<5.07.118

AND

westerndigitalmy_cloud_ex2_ultraMatch-

westerndigitalmy_cloud_ex4100Match-

westerndigitalmy_cloud_mirror_gen_2Match-

westerndigitalmy_cloud_pr2100Match-

westerndigitalmy_cloud_pr4100Match-

VendorProductVersionCPE
westerndigitalmy_cloud_os_5*cpe:2.3:o:westerndigital:my_cloud_os_5:*:*:*:*:*:*:*:*
westerndigitalmy_cloud_ex2_ultra-cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_ex4100-cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_mirror_gen_2-cpe:2.3:h:westerndigital:my_cloud_mirror_gen_2:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_pr2100-cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_pr4100-cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
westerndigital	my_cloud_os_5	*	cpe:2.3:o:westerndigital:my_cloud_os_5::::::::
westerndigital	my_cloud_ex2_ultra	-	cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:::::::*
westerndigital	my_cloud_ex4100	-	cpe:2.3:h:westerndigital:my_cloud_ex4100:-:::::::*
westerndigital	my_cloud_mirror_gen_2	-	cpe:2.3:h:westerndigital:my_cloud_mirror_gen_2:-:::::::*
westerndigital	my_cloud_pr2100	-	cpe:2.3:h:westerndigital:my_cloud_pr2100:-:::::::*
westerndigital	my_cloud_pr4100	-	cpe:2.3:h:westerndigital:my_cloud_pr4100:-:::::::*

References

www.westerndigital.com/support/productsecurity/wdc-20010-my-cloud-os5-firmware-5-07-118

www.zerodayinitiative.com/advisories/ZDI-20-1446/

Social References

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.8

Confidence

High

EPSS

0.003

Percentile

70.5%

JSON

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