CVE-2021-34408
Quick assessment
Affected
n/a Zoom Client for Meetings for Windows
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.
ZOOM Zoom Client是美国Zoom（ZOOM）公司的一款支持多种平台的视频会议客户端应用程序。 Zoom Client for Meetings for Windows 存在安全漏洞，该漏洞源于5.3.2版本之前的所有版本的Zoom for Meetings for Windows客户端在安装或更新客户端时，会以特权用户的身份将日志文件写入用户可写目录。攻击者可利用该漏洞导致特权升级。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-34408
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client. This could allow for potential privilege escalation if a link was created between the user writable directory used and a non-user writable directory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ZOOM Zoom Client 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZOOM Zoom Client是美国Zoom（ZOOM）公司的一款支持多种平台的视频会议客户端应用程序。 Zoom Client for Meetings for Windows 存在安全漏洞，该漏洞源于5.3.2版本之前的所有版本的Zoom for Meetings for Windows客户端在安装或更新客户端时，会以特权用户的身份将日志文件写入用户可写目录。攻击者可利用该漏洞导致特权升级。
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 |
|---|---|---|---|---|
| - | Zoom Client for Meetings for Windows | All versions of the Zoom Client for Meetings for Windows before version 5.3.2 | - |
|
II. Public POCs for CVE-2021-34408
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-34408 (1)
-
https://explore.zoom.us/en/trust/security/security-bulletin/ x_refsource_CONFIRM
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| CVE-2021-0421 | Mediatek 芯片 安全漏洞 | |
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| CVE-2021-40097 | PortlandLabs Concrete Cms 路径遍历漏洞 | |
| CVE-2021-0425 | Mediatek 芯片 安全漏洞 | |
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| CVE-2021-0611 | Mediatek 芯片 资源管理错误漏洞 | |
| CVE-2021-0612 | Mediatek 芯片 资源管理错误漏洞 | |
| CVE-2021-0660 | Mediatek 芯片 缓冲区错误漏洞 | |
| CVE-2021-40104 | PortlandLabs Concrete CMS 安全漏洞 | |
| CVE-2021-40105 | PortlandLabs Concrete Cms 跨站脚本漏洞 | |
| CVE-2021-40106 | PortlandLabs Concrete Cms 跨站脚本漏洞 |
Showing top 20 of 56 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Zoom Client for Meetings for Windows
V. Comments for CVE-2021-34408
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