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CVE-2022-23000— Weak Default SSL use in Port Forwarding Service

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 Web App存在安全漏洞。攻击者利用该漏洞危害传输信息的完整性、机密性和真实性。

CVSS 7.3 · High EPSS 0.19% · P8
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I. Basic Information for CVE-2022-23000

Vulnerability Information
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Vulnerability Title
Weak Default SSL use in Port Forwarding Service
Source: CVE Program / CVE List V5
Vulnerability Description
The Western Digital My Cloud Web App [https://os5.mycloud.com/] uses a weak SSLContext when attempting to configure port forwarding rules. This was enabled to maintain compatibility with old or outdated home routers. By using an "SSL" context instead of "TLS" or specifying stronger validation, deprecated or insecure protocols are permitted. As a result, a local user with no privileges can exploit this vulnerability and jeopardize the integrity, confidentiality and authenticity of information transmitted. The scope of impact cannot extend to other components and no user input is required to exploit this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在会话协商时选择低安全性的算法(算法降级)
Source: CVE Program / CVE List V5
Vulnerability Title
Western Digital My Cloud 安全漏洞
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 Web App存在安全漏洞。攻击者利用该漏洞危害传输信息的完整性、机密性和真实性。
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 ~ 5.23.114 -

II. Public POCs for CVE-2022-23000

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III. Intelligence Information for CVE-2022-23000

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Other References for CVE-2022-23000 (1)

IV. Related Vulnerabilities

Same product: My Cloud
Same vendor: Western Digital
Same weakness: CWE-757

V. Comments for CVE-2022-23000

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