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CVE-2020-27220

Quick assessment

Affected
The Eclipse Foundation Eclipse Hono
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.

Eclipse Hono是Eclipse基金会的一个用于为所连接的 IOT 设备提供控制接口的软件。该软件连接大量的IOT设备，并提供对外提供统一的访问接口进行控制。 Eclipse Hono AMQP and MQTT protocol 适配器存在安全漏洞，该漏洞源于经过身份验证的设备可以接收不同设备的命令和控制消息。

AI Predicted 6.5 Difficulty: Moderate EPSS 1.15% · P66
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I. Basic Information for CVE-2020-27220

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Eclipse Hono AMQP and MQTT protocol adapters do not check whether an authenticated gateway device is authorized to receive command & control messages when it has subscribed only to commands for a specific device. The missing check involves verifying that the command target device is configured giving permission for the gateway device to act on its behalf. This means an authenticated device of a certain tenant, notably also a non-gateway device acting like a gateway, may receive command & control messages targeted at a different device of the same tenant without corresponding permissions getting checked.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Hono 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Hono是Eclipse基金会的一个用于为所连接的 IOT 设备提供控制接口的软件。该软件连接大量的IOT设备，并提供对外提供统一的访问接口进行控制。 Eclipse Hono AMQP and MQTT protocol 适配器存在安全漏洞，该漏洞源于经过身份验证的设备可以接收不同设备的命令和控制消息。
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
The Eclipse Foundation Eclipse Hono 1.4.0 to 1.4.4 inclusive, 1.5.0 -

II. Public POCs for CVE-2020-27220

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III. Intelligence Information for CVE-2020-27220

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IV. Related Vulnerabilities

Same product: Eclipse Hono
Same vendor: The Eclipse Foundation
Same weakness: CWE-862

V. Comments for CVE-2020-27220

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