PT-2021-20553 · Enbra · Enbra Ewm

Published 2021-09-16 · Updated 2021-09-28 · CVE-2021-34571

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions: Enbra EWM (affected versions not specified)

Description: The issue concerns the use of hard-coded credentials in Security mode 5 of Enbra Wireless M-Bus devices, without the option to change the encryption key. This allows an adversary to access all available information in Enbra EWM.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2021-34571

Affected Products

Enbra Ewm

References · 4

• https://osv.dev/vulnerability/CVE-2021-34571 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-34571 · Security Note
• https://fit.vutbr.cz/~polcak/CVE-2021-34571.en · Note
• https://t.me/cibsecurity/28975 · Telegram Post