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MitreCVE-2020-27744

HistoryOct 29, 2020 - 5:15 p.m.

CVE-2020-27744

2020-10-2917:15:12

CWE-78

mitre

web.nvd.nist.gov

cve-2020-27744

western digital

my cloud

nas

remote code execution

privilege escalation

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

9.9

Confidence

High

EPSS

0.025

Percentile

90.3%

JSON

An issue was discovered on Western Digital My Cloud NAS devices before 5.04.114. They allow remote code execution with resultant escalation of privileges.

Affected configurations

Nvd

Node

westerndigitalmy_cloud_ex2_ultraMatch-

westerndigitalmy_cloud_ex4100Match-

westerndigitalmy_cloud_mirror_gen2Match-

westerndigitalmy_cloud_pr2100Match-

westerndigitalmy_cloud_pr4100Match-

AND

westerndigitalmy_cloud_firmwareRange<5.04.114

VendorProductVersionCPE
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_gen2-cpe:2.3:h:westerndigital:my_cloud_mirror_gen2:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_pr2100-cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_pr4100-cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_firmware*cpe:2.3:o:westerndigital:my_cloud_firmware:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
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_gen2	-	cpe:2.3:h:westerndigital:my_cloud_mirror_gen2:-:::::::*
westerndigital	my_cloud_pr2100	-	cpe:2.3:h:westerndigital:my_cloud_pr2100:-:::::::*
westerndigital	my_cloud_pr4100	-	cpe:2.3:h:westerndigital:my_cloud_pr4100:-:::::::*
westerndigital	my_cloud_firmware	*	cpe:2.3:o:westerndigital:my_cloud_firmware::::::::

References

www.comparitech.com/blog/information-security/security-vulnerabilities-80000-devices-update-now/

www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

9.9

Confidence

High

EPSS

0.025

Percentile

90.3%

JSON

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