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CVE-2022-22786— Update package downgrade in Zoom Client for Meetings for Windows

Quick assessment

Affected
Zoom Video Communications Inc 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 Client和Zoom Rooms都是美国Zoom公司的产品。Zoom Client是一款支持多种平台的视频会议客户端应用程序。Zoom Rooms是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 Client for Meetings for Windows 5.10.0之前版本和Zoom Rooms for Conference Room for Windows 5.10.0之前版本存在安全漏洞，该漏洞源于在更新过程中无法正确检查安装版本。

CVSS 7.5 · High EPSS 1.50% · P73

Affected Version Matrix 2

VendorProduct Version RangeStatus
Zoom Video Communications Inc Zoom Client for Meetings for Windows unspecified< 5.10.0 affected
Zoom Video Communications Inc Zoom Rooms for Conference Room for Windows unspecified< 5.10.0 affected
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I. Basic Information for CVE-2022-22786

Vulnerability Information
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Vulnerability Title
Update package downgrade in Zoom Client for Meetings for Windows
Source: CVE Program / CVE List V5
Vulnerability Description
The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Zoom产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom Client和Zoom Rooms都是美国Zoom公司的产品。Zoom Client是一款支持多种平台的视频会议客户端应用程序。Zoom Rooms是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 Client for Meetings for Windows 5.10.0之前版本和Zoom Rooms for Conference Room for Windows 5.10.0之前版本存在安全漏洞，该漏洞源于在更新过程中无法正确检查安装版本。
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 Client for Meetings for Windows unspecified ~ 5.10.0 -
Zoom Video Communications Inc Zoom Rooms for Conference Room for Windows unspecified ~ 5.10.0 -

II. Public POCs for CVE-2022-22786

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III. Intelligence Information for CVE-2022-22786

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Other References for CVE-2022-22786 (1)

Same Patch Batch · Zoom Video Communications Inc · 2022-05-18 · 4 CVEs total

CVE-2022-22784 8.1 HIGH Improper XML Parsing in Zoom Client for Meetings
CVE-2022-22785 5.9 MEDIUM Improperly constrained session cookies in Zoom Client for Meetings
CVE-2022-22787 5.9 MEDIUM Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings

IV. Related Vulnerabilities

Same product: Zoom Client for Meetings for Windows
Same vendor: Zoom Video Communications Inc

V. Comments for CVE-2022-22786

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