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CVE-2021-34417— Authenticated remote command execution with root privileges via web console in MMR

Quick assessment

Affected
Zoom Video Communications Inc Zoom On-Premise Meeting Connector Controller
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 Call Recording等都是美国Zoom（ZOOM）公司的产品。Zoom Call Recording是一套可扩展的会话记录管理解决方案。ZOOM on-premise Meeting Connector是一款会议连接器。Zoom On-​​Premise Meeting Connector Controller等都是美国Zoom公司的产品。Zoom On-​​Premise Meeting Connector Controller是一个内部部署的会议连接器。 Zoom 多款产品

CVSS 7.9 · High EPSS 1.24% · P68

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-34417

Vulnerability Information
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Vulnerability Title
Authenticated remote command execution with root privileges via web console in MMR
Source: CVE Program / CVE List V5
Vulnerability Description
The network proxy page on the web portal for the Zoom On-Premise Meeting Connector Controller before version 4.6.365.20210703, Zoom On-Premise Meeting Connector MMR before version 4.6.365.20210703, Zoom On-Premise Recording Connector before version 3.8.45.20210703, Zoom On-Premise Virtual Room Connector before version 4.4.6868.20210703, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5496.20210703 fails to validate input sent in requests to set the network proxy password. This could lead to remote command injection by a web portal administrator.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom 多款产品输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZOOM Zoom Call Recording等都是美国Zoom（ZOOM）公司的产品。Zoom Call Recording是一套可扩展的会话记录管理解决方案。ZOOM on-premise Meeting Connector是一款会议连接器。Zoom On-​​Premise Meeting Connector Controller等都是美国Zoom公司的产品。Zoom On-​​Premise Meeting Connector Controller是一个内部部署的会议连接器。 Zoom 多款产品
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 Controller unspecified ~ 4.6.365.20210703 -
Zoom Video Communications Inc Zoom On-Premise Meeting Connector MMR unspecified ~ 4.6.365.20210703 -
Zoom Video Communications Inc Zoom On-Premise Recording Connector unspecified ~ 3.8.45.20210703 -
Zoom Video Communications Inc Zoom On-Premise Virtual Room Connector unspecified ~ 4.4.6868.20210703 -
Zoom Video Communications Inc Zoom On-Premise Virtual Room Connector Load Balancer unspecified ~ 2.5.5496.20210703 -

II. Public POCs for CVE-2021-34417

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III. Intelligence Information for CVE-2021-34417

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Other References for CVE-2021-34417 (1)

Same Patch Batch · Zoom Video Communications Inc · 2021-11-11 · 6 CVEs total

CVE-2021-34422 7.2 HIGH Path traversal of file names in Keybase Client for Windows
CVE-2021-34420 4.7 MEDIUM Zoom Windows installation executable signature bypass
CVE-2021-34418 4.0 MEDIUM Pre-auth Null pointer crash in on-premise web console
CVE-2021-34419 3.7 LOW HTML injection in Zoom Linux client
CVE-2021-34421 3.7 LOW Retained exploded messages in Keybase Clients for Android and iOS

IV. Related Vulnerabilities

Same product: Zoom On-Premise Meeting Connector Controller
Same vendor: Zoom Video Communications Inc

V. Comments for CVE-2021-34417

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