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CVE-2021-28912 Details

Description

BAB TECHNOLOGIE GmbH eibPort V3. Each device has its own unique hard coded and weak root SSH key passphrase known as 'eibPort string'. This is usable and the final part of an attack chain to gain SSH root access.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://psytester.github.io/CVE-2021-28912	CVE	Third Party Advisory
https://psytester.github.io/CVE-2021-28912	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-521	Weak Password Requirements	[email protected]
CWE-798	Use of Hard-coded Credentials	[email protected]

Affected Products

Product	Versions
bab-technologie eibport firmware	< 3.9.1
CPE cpe:2.3:o:bab-technologie:eibport_firmware:::::::: Remediation No remediation found in references.
bab-technologie eibport	v3
CPE cpe:2.3:h:bab-technologie:eibport:v3:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Sep 20, 2021	Initial Analysis	[email protected]