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I. Basic Information for CVE-2021-34571
Vulnerability Information
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Vulnerability Title
Hard-coded Credentials in Enbra Wireless M-Bus devices
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multiple Wireless M-Bus devices by Enbra use Hard-coded Credentials in Security mode 5 without an option to change the encryption key. An adversary can learn all information that is available in Enbra EWM.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用硬编码的凭证
Source: NVD (National Vulnerability Database)
Vulnerability Title
Enbra Ewm信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Enbra Ewm是捷克Enbra公司的一个通用读数装置。使用无线电读取水表、供暖成本指标和热量表。 Enbra EWM存在信任管理问题漏洞，该漏洞源于Enbra的多个无线M-Bus设备在安全模式5中使用硬编码凭证，没有更改加密密钥的选项。攻击者可以了解Enbra EWM中提供的所有信息。
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
VendorProductAffected VersionsCPESubscribe
EnbraAT-WMBUS-16-2 all -
EnbraER-AM DN 15 ER-AM DN 15/SV all -
EnbraEWM 1.7.29 03.11.2019 -
II. Public POCs for CVE-2021-34571
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III. Intelligence Information for CVE-2021-34571
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IV. Related Vulnerabilities
Same product: AT-WMBUS-16-2
Same vendor: Enbra
Same weakness: CWE-798
V. Comments for CVE-2021-34571

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