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WDC PSIRTCVE-2022-22991

HistoryJan 13, 2022 - 9:15 p.m.

CVE-2022-22991

2022-01-1321:15:08

CWE-78

CWE-77

WDC PSIRT

web.nvd.nist.gov

cve-2022-22991

lan

dns spoofing

command injection

nas

vulnerability

http

connectivity

nvd

CVSS2

8.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

42.3%

JSON

A malicious user on the same LAN could use DNS spoofing followed by a command injection attack to trick a NAS device into loading through an unsecured HTTP call. Addressed this vulnerability by disabling checks for internet connectivity using HTTP.

Affected configurations

Nvd

Node

westerndigitalmy_cloud_osRange<5.19.117

AND

westerndigitalmy_cloudMatch-

westerndigitalmy_cloud_dl2100Match-

westerndigitalmy_cloud_dl4100Match-

westerndigitalmy_cloud_ex2_ultraMatch-

westerndigitalmy_cloud_ex2100Match-

westerndigitalmy_cloud_ex4100Match-

westerndigitalmy_cloud_mirror_gen_2Match-

westerndigitalmy_cloud_pr2100Match-

westerndigitalmy_cloud_pr4100Match-

westerndigitalwd_cloudMatch-

VendorProductVersionCPE
westerndigitalmy_cloud_os*cpe:2.3:o:westerndigital:my_cloud_os:*:*:*:*:*:*:*:*
westerndigitalmy_cloud-cpe:2.3:h:westerndigital:my_cloud:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_dl2100-cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_dl4100-cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_ex2_ultra-cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*
westerndigitalmy_cloud_ex2100-cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:*
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	*	cpe:2.3:o:westerndigital:my_cloud_os::::::::
westerndigital	my_cloud	-	cpe:2.3:h:westerndigital:my_cloud:-:::::::*
westerndigital	my_cloud_dl2100	-	cpe:2.3:h:westerndigital:my_cloud_dl2100:-:::::::*
westerndigital	my_cloud_dl4100	-	cpe:2.3:h:westerndigital:my_cloud_dl4100:-:::::::*
westerndigital	my_cloud_ex2_ultra	-	cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:::::::*
westerndigital	my_cloud_ex2100	-	cpe:2.3:h:westerndigital:my_cloud_ex2100:-:::::::*
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:-:::::::*

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CNA Affected

[
  {
    "product": "My Cloud",
    "vendor": "Western Digital",
    "versions": [
      {
        "lessThan": "5.19.117",
        "status": "affected",
        "version": "My Cloud OS 5",
        "versionType": "custom"
      }
    ]
  }
]

References

www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117

www.zerodayinitiative.com/advisories/ZDI-22-077/

CVSS2

8.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

42.3%

JSON

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