Vulnerability · Published Sep 16, 2021 · Assigned by CERTVDE
CVE-2021-34571Hard-coded Credentials in Enbra Wireless M-Bus devices
Medium 6.5
In plain English
A medium-severity hard-coded credentials 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)6.5Medium
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
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Enbra | AT-WMBUS-16-2 | see references |
| Enbra | ER-AM DN 15 | see references |
| Enbra | EWM 1.7.29 | 03.11.2019 |
Weakness: CWE-798 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://www.fit.vutbr.cz/~polcak/CVE-2021-34571.en x_refsource_CONFIRM