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)
| Vendor | Product | Versions |
|---|---|---|
| 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
- https://www.fit.vutbr.cz/~polcak/CVE-2021-34573.en x_refsource_CONFIRM