CVE-2023-34121
Quick assessment
Affected
Zoom Video Communications, Inc. Zoom 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 Rooms是美国Zoom公司的一个基于软件的会议系统。允许在固定终端上进行网络会议的系统，类似于传统的视频会议系统。 Zoom for Windows、Zoom Rooms、Zoom VDI Windows Meeting clients 5.14.0之前版本存在安全漏洞，该漏洞源于输入验证不正确。攻击者利用该漏洞可以升级权限。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2023-34121
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via network access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom Rooms 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom Rooms是美国Zoom公司的一个基于软件的会议系统。允许在固定终端上进行网络会议的系统，类似于传统的视频会议系统。 Zoom for Windows、Zoom Rooms、Zoom VDI Windows Meeting clients 5.14.0之前版本存在安全漏洞，该漏洞源于输入验证不正确。攻击者利用该漏洞可以升级权限。
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 Video Communications, Inc. | Zoom for Windows | before 5.14.0 | - |
|
| Zoom Video Communications, Inc. | Zoom Rooms Client for Windows | before 5.14.0 | - |
|
| ZoomZoom Video Communications, Inc. | Zoom VDI for Windows Meeting Clients | before 5.14.0 | - |
|
II. Public POCs for CVE-2023-34121
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Other References for CVE-2023-34121 (1)
Same Patch Batch · Zoom Video Communications, Inc. · 2023-06-13 · 10 CVEs total
| CVE-2023-34120 | 8.7 HIGH | Zoom Rooms 安全漏洞 |
| CVE-2023-28601 | 8.3 HIGH | Zoom Client 缓冲区错误漏洞 |
| CVE-2023-28603 | 7.7 HIGH | Zoom VDI client installer 安全漏洞 |
| CVE-2023-28598 | 7.5 HIGH | Zoom Client 注入漏洞 |
| CVE-2023-34114 | 7.4 HIGH | Zoom Client 安全漏洞 |
| CVE-2023-28600 | 5.2 MEDIUM | Zoom Client 安全漏洞 |
| CVE-2023-28599 | 4.3 MEDIUM | Zoom Client 注入漏洞 |
| CVE-2023-34115 | 4.3 MEDIUM | Zoom Meeting SDK 安全漏洞 |
| CVE-2023-28602 | 2.8 LOW | Zoom Client 数据伪造问题漏洞 |
IV. Related Vulnerabilities
Same vendor: Zoom Video Communications, Inc.
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CVE-2024-27244
Zoom Workplace VDI App for Windows - Insufficient Verificati -
CVE-2024-27243
Zoom Apps - Buffer Overflow -
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Zoom Desktop Client for Linux - Cross Site Scripting -
CVE-2024-27247
Zoom Desktop Client for macOS - Improper Privilege Managemen -
CVE-2024-24694
Zoom Desktop Client for Windows - Improper Privilege Managem
Same weakness: CWE-79
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V. Comments for CVE-2023-34121
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