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CVE-2022-22989— Pre-authenticated stack overflow vulnerability on FTP 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 OS 5存在缓冲区错误漏洞，攻击者可利用该漏洞执行堆栈溢出攻击。

CVSS 9.8 · Critical EPSS 1.31% · P68

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-22989

Vulnerability Information
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Vulnerability Title
Pre-authenticated stack overflow vulnerability on FTP Service
Source: CVE Program / CVE List V5
Vulnerability Description
My Cloud OS 5 was vulnerable to a pre-authenticated stack overflow vulnerability on the FTP service that could be exploited by unauthenticated attackers on the network. Addressed the vulnerability by adding defenses against stack overflow issues.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Western Digital My Cloud 缓冲区错误漏洞
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存在缓冲区错误漏洞，攻击者可利用该漏洞执行堆栈溢出攻击。
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-2022-22989

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III. Intelligence Information for CVE-2022-22989

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Other References for CVE-2022-22989 (1)

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

CVE-2022-22990 7.8 HIGH Limited authentication bypass vulnerability on Western Digital My Cloud devices
CVE-2022-22991 7.8 HIGH Command injection through unsecured HTTP calls 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-121

V. Comments for CVE-2022-22989

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