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TI-2021-13590 Aliases CVE-2021-34572GHSA-7x8j-m6q2-x954

Insufficient Verification of Data Authenticity in Enbra EWM (replay attack)

Priority LOW 28CWE-345Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-345.

Summary

Enbra EWM 1.7.29 does not check for or detect replay attacks sent by wireless M-Bus Security mode 5 devices. Instead timestamps of the sensor are replaced by the time of the readout even if the data is a replay of earlier data.

Why it matters now

EPSS 0.00227 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
EnbraEWM 1.7.2903.11.2019—No fix listedCNA
  • EWM 1.7.29 VendorEnbra Affected 03.11.2019 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:enbra:ewm:1.7.29:*:*:*:*:*:*:*1.7.29VulnerableEnbra
  • cpe:2.3:a:enbra:ewm:1.7.29:*:*:*:*:*:*:* Versions 1.7.29 Vulnerable ·Enbra

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34572
  2. 2026-10-03 Alias added: GHSA-7x8j-m6q2-x954

References

Advisory 1

  • TI-2021-13589 Hard-coded Credentials in Enbra Wireless M-Bus devices CVSS 3.1MEDIUM 6.5
  • TI-2021-13591 Incorrect calculation in Enbra EWM does not report backflows or no flow events CVSS 3.1MEDIUM 6.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences