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I. Basic Information for CVE-2021-34573
Vulnerability Information
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Vulnerability Title
Incorrect calculation in Enbra EWM does not report backflows or no flow events
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Enbra EWM in Version 1.7.29 together with several tested wireless M-Bus Sensors the events backflow and "no flow" are not reconized or misinterpreted. This may lead to wrong values and missing events.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
数值计算不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Enbra EWM 安全漏洞
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 1.7.29 存在安全漏洞，该漏洞源于在版本1.7.29的Enbra EWM和几个经过测试的无线M-Bus传感器中，事件回流和“无流量”不会被重新识别或误解。这可能会导致错误的值和丢失事件。
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-2021-34573
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III. Intelligence Information for CVE-2021-34573
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IV. Related Vulnerabilities
Same product: AT-WMBUS-16-2
Same vendor: Enbra
Same weakness: CWE-682
V. Comments for CVE-2021-34573

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