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CVE-2023-4420

Quick assessment

Affected
SICK AG LMS5xx
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.

SICK LMS5xx是德国西克（SICK）公司的一系列传感器。 SICK LMS5xx存在安全漏洞，该漏洞源于通信通道缺乏加密，可能会导致未经授权的敏感信息泄露。

CVSS 9.8 · Critical EPSS 0.30% · P21

Affected Version Matrix 1

VendorProduct Version RangeStatus
SICK AG LMS5xx all firmware versions affected
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I. Basic Information for CVE-2023-4420

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A remote unprivileged attacker can intercept the communication via e.g. Man-In-The-Middle, due to the absence of Transport Layer Security (TLS) in the SICK LMS5xx. This lack of encryption in the communication channel can lead to the unauthorized disclosure of sensitive information. The attacker can exploit this weakness to eavesdrop on the communication between the LMS5xx and the Client, and potentially manipulate the data being transmitted.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
SICK LMS5xx 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SICK LMS5xx是德国西克（SICK）公司的一系列传感器。 SICK LMS5xx存在安全漏洞，该漏洞源于通信通道缺乏加密，可能会导致未经授权的敏感信息泄露。
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
SICK AG LMS5xx all firmware versions -

II. Public POCs for CVE-2023-4420

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III. Intelligence Information for CVE-2023-4420

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Other References for CVE-2023-4420 (1)

Same Patch Batch · SICK AG · 2023-08-24 · 4 CVEs total

CVE-2023-4419 9.8 CRITICAL SICK LMS5xx 信任管理问题漏洞
CVE-2023-31412 7.5 HIGH SICK LMS5xx 安全漏洞
CVE-2023-4418 7.5 HIGH SICK LMS5xx 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: LMS5xx
Same vendor: SICK AG

V. Comments for CVE-2023-4420

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