CVE-2021-42850
Quick assessment
Affected
Lenovo Personal Cloud Storage A1
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.
Lenovo Personal Cloud Storage（联想个人云存储）是中国联想（Lenovo）公司的一款个人云存储。 Lenovo Personal Cloud Storage 存在安全漏洞，该漏洞源于 Web 界面和串行端口的默认管理员密码较弱。攻击者利用该漏洞通过物理或本地网络访问未经授权的设备。
Possible ATT&CK Techniques 1 AI
T1078 · Valid Accounts
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I. Basic Information for CVE-2021-42850
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A weak default administrator password for the web interface and serial port was reported in some Lenovo Personal Cloud Storage devices that could allow unauthorized device access to an attacker with physical or local network access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo Personal Cloud Storage 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Personal Cloud Storage（联想个人云存储）是中国联想（Lenovo）公司的一款个人云存储。 Lenovo Personal Cloud Storage 存在安全漏洞，该漏洞源于 Web 界面和串行端口的默认管理员密码较弱。攻击者利用该漏洞通过物理或本地网络访问未经授权的设备。
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 |
|---|---|---|---|---|
| Lenovo | Personal Cloud Storage A1 | unspecified ~ 5.3.6.a1 | - |
|
| Lenovo | Personal Cloud Storage T1 | unspecified ~ 5.3.6.t1 | - |
|
| Lenovo | Personal Cloud Storage X1 | unspecified ~ 5.3.8.x1 | - |
|
| Lenovo | Personal Cloud Storage T2 | unspecified ~ 5.3.8.t2 | - |
|
| Lenovo | Personal Cloud Storage T2Pro | unspecified ~ 5.3.7.t2-pro | - |
|
II. Public POCs for CVE-2021-42850
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-42850 (1)
-
https://iknow.lenovo.com.cn/detail/dc_200017.html x_refsource_MISC
Same Patch Batch · Lenovo · 2022-05-18 · 9 CVEs total
| CVE-2021-42852 | 8.0 HIGH | Lenovo Personal Cloud Storage 操作系统命令注入漏洞 |
| CVE-2021-3969 | 7.8 HIGH | Lenovo Vantage 安全漏洞 |
| CVE-2021-3922 | 7.8 HIGH | Lenovo Vantage 竞争条件问题漏洞 |
| CVE-2021-42849 | 6.8 MEDIUM | Lenovo Personal Cloud Storage 授权问题漏洞 |
| CVE-2021-42851 | 6.3 MEDIUM | Lenovo Personal Cloud Storage 安全漏洞 |
| CVE-2022-1110 | 5.5 MEDIUM | Lenovo Smart Standby Driver 安全漏洞 |
| CVE-2021-42848 | 4.3 MEDIUM | Lenovo Personal Cloud Storage 安全漏洞 |
| CVE-2021-3956 | 4.3 MEDIUM | Lenovo XClarity Controller 安全漏洞 |
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V. Comments for CVE-2021-42850
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