Vulnerability · Published Sep 16, 2021 · Assigned by CERTVDE

CVE-2021-34573Incorrect calculation in Enbra EWM does not report backflows or no flow events

Medium 6.2

In plain English

A medium-severity security flaw in AT-WMBUS-16-2 from Enbra. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.2%top 86.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Enbra AT-WMBUS-16-2 all
Enbra ER-AM DN 15 ER-AM DN 15/SV allER-AM DN 15/TV all
Enbra EWM 1.7.29 03.11.2019

Weakness: CWE-682 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References