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MEDIUM

CVE-2021-34571

CVE-2021-34571 — Hard-coded Credentials in Enbra Wireless M-Bus devices

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.

Published Updated Sources: cvelistV5, CERTVDE

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

0%

chance of exploitation in 30 days

Affects

enbra

3 products listed

CVSS base

6.5

MEDIUM

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

enbra

Products (3)

at wmbus 16 2er am dn 15ewm 1 7 29

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
6.5CVSS 3.1MEDIUM——cvelistV5

Weakness & attack patterns

  • CWE-798

Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.

  • T1552.001Unsecured Credentials: Credentials in files
  • T1078.001Valid Accounts: Default Accounts

References

1 on the record

Elsewhere on this site

  • enbraevery CVE for this vendor
  • CWE-798other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.