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MitreCVE-2020-27160

HistoryOct 27, 2020 - 8:15 p.m.

CVE-2020-27160

2020-10-2720:15:22

CWE-22

mitre

web.nvd.nist.gov

cve-2020-27160

remote code execution

rce

vulnerability

escalation of privileges

western digital

my cloud

nas devices

security

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

9.9

Confidence

High

EPSS

0.036

Percentile

91.6%

JSON

Addressed remote code execution vulnerability in AvailableApps.php that allowed escalation of privileges in Western Digital My Cloud NAS devices prior to 5.04.114 (issue 3 of 3).

Affected configurations

Nvd

Node

westerndigitalmy_cloud_firmwareRange<5.04.114

AND

westerndigitalmy_cloud_ex4100Match-

westerndigitalmy_cloud_expert_series_ex2Match-

westerndigitalmy_cloud_mirror_-_gen_2Match-

westerndigitalmy_cloud_pr2100Match-

westerndigitalmy_cloud_pr4100Match-

VendorProductVersionCPE
westerndigitalmy_cloud_firmware*cpe:2.3:o:westerndigital:my_cloud_firmware:*:*:*:*:*:*:*:*
westerndigitalmy_cloud_ex4100-cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_expert_series_ex2-cpe:2.3:h:westerndigital:my_cloud_expert_series_ex2:-:*:*:*:*:*:*:*
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_firmware	*	cpe:2.3:o:westerndigital:my_cloud_firmware::::::::
westerndigital	my_cloud_ex4100	-	cpe:2.3:h:westerndigital:my_cloud_ex4100:-:::::::*
westerndigital	my_cloud_expert_series_ex2	-	cpe:2.3:h:westerndigital:my_cloud_expert_series_ex2:-:::::::*
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.comparitech.com/blog/information-security/security-vulnerabilities-80000-devices-update-now/

www.westerndigital.com/support/productsecurity

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

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

9.9

Confidence

High

EPSS

0.036

Percentile

91.6%

JSON

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