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CVE-2022-22991— Command injection through unsecured HTTP calls on Western Digital My Cloud devices

Quick assessment

Affected
Western Digital My Cloud
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Western Digital My Cloud是美国西部数据（Western Digital）公司的一款个人云存储设备。 Western Digital My Cloud OS 5存在安全漏洞，攻击者可利用该漏洞使用DNS欺骗和命令注入攻击来诱骗NAS设备通过不安全的HTTP调用加载。

CVSS 7.8 · High EPSS 1.33% · P69
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I. Basic Information for CVE-2022-22991

Vulnerability Information
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Vulnerability Title
Command injection through unsecured HTTP calls on Western Digital My Cloud devices
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Western Digital My Cloud 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Western Digital My Cloud是美国西部数据（Western Digital）公司的一款个人云存储设备。 Western Digital My Cloud OS 5存在安全漏洞，攻击者可利用该漏洞使用DNS欺骗和命令注入攻击来诱骗NAS设备通过不安全的HTTP调用加载。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Western Digital My Cloud My Cloud OS 5 ~ 5.19.117 -

II. Public POCs for CVE-2022-22991

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III. Intelligence Information for CVE-2022-22991

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Vendor Advisories for CVE-2022-22991 (1)

Other References for CVE-2022-22991 (1)

Same Patch Batch · Western Digital · 2022-01-13 · 4 CVEs total

CVE-2022-22989 9.8 CRITICAL Pre-authenticated stack overflow vulnerability on FTP Service
CVE-2022-22990 7.8 HIGH Limited authentication bypass vulnerability on Western Digital My Cloud devices
CVE-2022-22988 7.7 HIGH Insecure file and directory permissions on EdgeRover

IV. Related Vulnerabilities

Same product: My Cloud
Same vendor: Western Digital
Same weakness: CWE-78

V. Comments for CVE-2022-22991

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