CVE-2021-28914

Name: CVE-2021-28914
Creator: NVD / NIST
Published: 2021-09-09T19:15:11.75+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2021-28914 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow the user to set a weak password because the strength is shown in configuration tool, but finally not enforced. This is usable and part of an attack chain to gain SSH root access.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow the user to set a weak password because the strength is shown in configuration tool, but finally not enforced. This is usable and part of an attack chain to gain SSH root access.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.99%

57.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-521

Affected Software

Vendor	Product	Versions
Bab-Technologie	Eibport Firmware	< 3.9.1

References

https://psytester.github.io/CVE-2021-28914Third Party Advisory
https://psytester.github.io/CVE-2021-28914Third Party Advisory

Timeline

Published: Sep 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28914?

How severe is CVE-2021-28914?

CVE-2021-28914 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28914?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28914?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST