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CVE-2022-28753— Zoom On-Premise Deployments: Improper Access Control Vulnerability

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 4.8.129.20220714之前版本存在安全漏洞，该漏洞源于访问控制不正确。

CVSS 7.1 · High EPSS 0.50% · P41
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I. Basic Information for CVE-2022-28753

Vulnerability Information
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Vulnerability Title
Zoom On-Premise Deployments: Improper Access Control Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Zoom On-Premise Meeting Connector MMR before version 4.8.129.20220714 contains an improper access control vulnerability. As a result, a malicious actor can join a meeting which they are authorized to join without appearing to the other participants, can admit themselves into the meeting from the waiting room, and can become host and cause other meeting disruptions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/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 4.8.129.20220714之前版本存在安全漏洞，该漏洞源于访问控制不正确。
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 ~ 4.8.129.20220714 -

II. Public POCs for CVE-2022-28753

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III. Intelligence Information for CVE-2022-28753

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Other References for CVE-2022-28753 (1)

Same Patch Batch · Zoom Video Communications Inc · 2022-08-11 · 4 CVEs total

CVE-2022-28755 9.6 CRITICAL Improper URL parsing in Zoom Clients
CVE-2022-28750 7.5 HIGH Zoom On-Premise Deployments: Stack Buffer Overflow in Meeting Connector
CVE-2022-28754 7.1 HIGH Zoom On-Premise Deployments: Improper Access Control Vulnerability

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-2022-28753

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