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CVE-2023-49646

Quick assessment

Affected
Zoom Video Communications, Inc. Zoom Clients
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是美国Zoom公司的一款支持多种平台的视频会议客户端应用程序。 Zoom Client 5.16.5之前版本存在安全漏洞，该漏洞源于身份验证不正确。攻击者利用该漏洞通过网络访问进行拒绝服务。

CVSS 6.4 · Medium EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-49646

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom Client是美国Zoom公司的一款支持多种平台的视频会议客户端应用程序。 Zoom Client 5.16.5之前版本存在安全漏洞，该漏洞源于身份验证不正确。攻击者利用该漏洞通过网络访问进行拒绝服务。
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 Clients See references -

II. Public POCs for CVE-2023-49646

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III. Intelligence Information for CVE-2023-49646

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Other References for CVE-2023-49646 (1)

Same Patch Batch · Zoom Video Communications, Inc. · 2023-12-13 · 4 CVEs total

CVE-2023-43586 7.3 HIGH Zoom VDI Client 安全漏洞
CVE-2023-43585 7.1 HIGH Zoom 安全漏洞
CVE-2023-43583 4.9 MEDIUM Zoom 安全漏洞

IV. Related Vulnerabilities

Same product: Zoom Clients
Same vendor: Zoom Video Communications, Inc.
Same weakness: CWE-347

V. Comments for CVE-2023-49646

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