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CVE-2022-28758— Zoom On-Premise Deployments: Improper Access Control

Quick assessment

Affected
Zoom Video Communications Inc Zoom On-Premise Meeting Connector MMR
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 On-Premise Meeting Connector是美国Zoom公司的一款会议连接器。 Zoom On-Premise Meeting Connector MMR 4.8.20220815.130之前的版本存在安全漏洞，该漏洞源于包含不正确的访问控制，攻击者利用该漏洞可以获取无权加入的会议的音频和视频源，并导致其他会议中断。

CVSS 8.2 · High EPSS 0.62% · P47

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2022-28758

Vulnerability Information
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Vulnerability Title
Zoom On-Premise Deployments: Improper Access Control
Source: CVE Program / CVE List V5
Vulnerability Description
Zoom On-Premise Meeting Connector MMR before version 4.8.20220815.130 contains an improper access control vulnerability. As a result, a malicious actor could obtain the audio and video feed of a meeting they were not authorized to join and cause other meeting disruptions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom On-Premise Meeting Connector 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom On-Premise Meeting Connector是美国Zoom公司的一款会议连接器。 Zoom On-Premise Meeting Connector MMR 4.8.20220815.130之前的版本存在安全漏洞，该漏洞源于包含不正确的访问控制，攻击者利用该漏洞可以获取无权加入的会议的音频和视频源，并导致其他会议中断。
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 On-Premise Meeting Connector MMR unspecified ~ 4.8.20220815.130 -

II. Public POCs for CVE-2022-28758

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III. Intelligence Information for CVE-2022-28758

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Other References for CVE-2022-28758 (1)

IV. Related Vulnerabilities

Same product: Zoom On-Premise Meeting Connector MMR
Same vendor: Zoom Video Communications Inc
Same weakness: CWE-284

V. Comments for CVE-2022-28758

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