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VULNERABILITIES

CVE-2021-28913 Details

Description

BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to /webif/SecurityModule to validate the so called and hard coded unique 'eibPort String' which acts as the root SSH key passphrase. This is usable and part of an attack chain to gain SSH root access.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://psytester.github.io/CVE-2021-28913 CVEThird Party Advisory
https://psytester.github.io/CVE-2021-28913 [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-306Missing Authentication for Critical Function[email protected]

Affected Products

ProductVersions
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

QUICK INFO

CVE Dictionary Entry:
CVE-2021-28913
NVD Published Date:
Sep 9, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]