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CVE-2023-49115— MachineSense FeverWarn Missing Authentication for Critical Function

Quick assessment

Affected
MachineSense FeverWarn
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.

MachineSense FeverWarn是MachineSense公司的一款体温检测设备。 MachineSense FeverWarn存在访问控制错误漏洞，该漏洞源于使用未经身份验证的 MQTT 消息传递来监控设备并由用户远程查看传感器数据。

CVSS 7.5 · High EPSS 0.59% · P47

Possible ATT&CK Techniques 1 AI

T1046 · Network Service Discovery
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I. Basic Information for CVE-2023-49115

Vulnerability Information
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Vulnerability Title
MachineSense FeverWarn Missing Authentication for Critical Function
Source: CVE Program / CVE List V5
Vulnerability Description
MachineSense devices use unauthenticated MQTT messaging to monitor devices and remote viewing of sensor data by users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
MachineSense FeverWarn 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MachineSense FeverWarn是MachineSense公司的一款体温检测设备。 MachineSense FeverWarn存在访问控制错误漏洞，该漏洞源于使用未经身份验证的 MQTT 消息传递来监控设备并由用户远程查看传感器数据。
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
MachineSense FeverWarn ESP32 -

II. Public POCs for CVE-2023-49115

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III. Intelligence Information for CVE-2023-49115

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Vendor Advisories for CVE-2023-49115 (1)

Other References for CVE-2023-49115 (1)

Same Patch Batch · MachineSense · 2024-02-01 · 6 CVEs total

CVE-2023-49617 10.0 CRITICAL MachineSense FeverWarn Missing Authentication for Critical Function
CVE-2023-46706 9.1 CRITICAL MachineSense FeverWarn Use of Hard-coded Credentials
CVE-2023-47867 8.8 HIGH MachineSense FeverWarn Improper Access Control
CVE-2023-49610 8.1 HIGH MachineSense FeverWarn Improper Input Validation
CVE-2023-6221 7.7 HIGH MachineSense FeverWarn Missing Authentication for Critical Function

IV. Related Vulnerabilities

Same product: FeverWarn
Same vendor: MachineSense
Same weakness: CWE-306

V. Comments for CVE-2023-49115

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