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CVE-2023-40544— Westermo Lynx Cleartext Transmission of Sensitive Information

Quick assessment

Affected
Westermo Lynx
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.

Westermo Lynx 206-F2G是瑞典威斯特摩（Westermo）公司的一款三层工业以太网交换机，由 Westermo WeOS 网络操作系统提供支持。 Westermo Lynx 206-F2G 存在安全漏洞。攻击者利用该漏洞通过嗅探器获取通过 TCP 通信交换的敏感信息。

CVSS 5.7 · Medium EPSS 0.17% · P6
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I. Basic Information for CVE-2023-40544

Vulnerability Information
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Vulnerability Title
Westermo Lynx Cleartext Transmission of Sensitive Information
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker with access to the network where the affected devices are located could maliciously actions to obtain, via a sniffer, sensitive information exchanged via TCP communications.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Westermo Lynx 206-F2G 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Westermo Lynx 206-F2G是瑞典威斯特摩（Westermo）公司的一款三层工业以太网交换机，由 Westermo WeOS 网络操作系统提供支持。 Westermo Lynx 206-F2G 存在安全漏洞。攻击者利用该漏洞通过嗅探器获取通过 TCP 通信交换的敏感信息。
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
Westermo Lynx L206-F2G1 -

II. Public POCs for CVE-2023-40544

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III. Intelligence Information for CVE-2023-40544

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Vendor Advisories for CVE-2023-40544 (1)

Same Patch Batch · Westermo · 2024-02-06 · 8 CVEs total

CVE-2023-38579 8.0 HIGH Westermo Lynx 206-F2G Cross-Site Request Forgery
CVE-2023-45735 8.0 HIGH Westermo Lynx Code Injection
CVE-2023-45213 6.6 MEDIUM Westermo Lynx Permissive Cross-domain Policy with Untrusted Domains
CVE-2023-40143 5.4 MEDIUM Westermo Lynx
CVE-2023-42765 5.4 MEDIUM Westermo Lynx Cross-site Scripting
CVE-2023-45222 5.4 MEDIUM Westermo Lynx Cross-site Scripting
CVE-2023-45227 5.4 MEDIUM Westermo Lynx Cross-site Scripting

IV. Related Vulnerabilities

Same product: Lynx
Same vendor: Westermo
Same weakness: CWE-319

V. Comments for CVE-2023-40544

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