Read the docs
TI-2021-13591 Aliases CVE-2021-34573GHSA-p35r-5hv5-759h

Incorrect calculation in Enbra EWM does not report backflows or no flow events

Priority LOW 27CWE-682Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00226 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
EnbraAT-WMBUS-16-2all—No fix listedCNA
EnbraER-AM DN 15ER-AM DN 15/SV all; ER-AM DN 15/TV all—No fix listedCNA
EnbraEWM 1.7.2903.11.2019—No fix listedCNA
  • AT-WMBUS-16-2 VendorEnbra Affected all Fixed in — No fix listed CNA
  • ER-AM DN 15 VendorEnbra Affected ER-AM DN 15/SV all; ER-AM DN 15/TV all Fixed in — No fix listed CNA
  • 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-2021-34573
  2. 2026-10-03 Alias added: GHSA-p35r-5hv5-759h

References

Advisory 1

  • TI-2021-13590 Insufficient Verification of Data Authenticity in Enbra EWM (replay attack) CVSS 3.1MEDIUM 6.5
  • TI-2021-13589 Hard-coded Credentials in Enbra Wireless M-Bus devices CVSS 3.1MEDIUM 6.5

Sources

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