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CVE-2023-45851

Quick assessment

Affected
Bosch Rexroth AG ctrlX HMI Web Panel - WR21 (WR2107)
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.

Bosch ctrlX HMI Web Panel WR21是德国博世（Bosch）公司的一款 HMI 面板。 ctrlX HMI Web Panel WR21版本存在安全漏洞，该漏洞源于允许攻击者强制Android Agent应用程序连接到恶意MQTT代理，并向HMI设备发送虚假消息。

CVSS 8.8 · High EPSS 0.45% · P37

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2023-45851

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication.  This issue allows an attacker to force the Android Client application to connect to a malicious MQTT broker, enabling it to send fake messages to the HMI device
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
Bosch ctrlX HMI Web Panel WR21 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bosch ctrlX HMI Web Panel WR21是德国博世（Bosch）公司的一款 HMI 面板。 ctrlX HMI Web Panel WR21版本存在安全漏洞，该漏洞源于允许攻击者强制Android Agent应用程序连接到恶意MQTT代理，并向HMI设备发送虚假消息。
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
Bosch Rexroth AG ctrlX HMI Web Panel - WR21 (WR2107) all -
Bosch Rexroth AG ctrlX HMI Web Panel - WR21 (WR2110) all -
Bosch Rexroth AG ctrlX HMI Web Panel - WR21 (WR2115) all -

II. Public POCs for CVE-2023-45851

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III. Intelligence Information for CVE-2023-45851

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Other References for CVE-2023-45851 (1)

Same Patch Batch · Bosch Rexroth AG · 2023-10-25 · 3 CVEs total

CVE-2023-46102 8.8 HIGH Bosch ctrlX HMI Web Panel 信任管理问题漏洞
CVE-2023-45321 8.3 HIGH Bosch ctrlX HMI Web Panel WR21 安全漏洞

IV. Related Vulnerabilities

Same product: ctrlX HMI Web Panel - WR21 (WR2107)
Same vendor: Bosch Rexroth AG
Same weakness: CWE-306

V. Comments for CVE-2023-45851

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