CVE-2021-28909

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers to access uncontrolled the login service at /webif/SecurityModule in a brute force attack. The password could be weak and default username is known as 'admin'. This is usable and part of an attack chain to gain SSH root access.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 9, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-28909: Critical severity, CVSS 9.8 | Vulnix