What is CVE-2021-28912?

CVE-2021-28912 is a high-severity vulnerability in Bab-Technologie Eibport, classified under Weak Password Requirements. CVSS score: 7.2/10. Published 2021-09-09.

How severe is CVE-2021-28912?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in Bab-Technologie Eibport

CVE-2021-28912

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.

Published 2021-09-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Bab-Technologie Eibport — versions v3
Bab-Technologie Eibport Firmware

Weakness classification (CWE)

References

psytester.github.io/CVE-2021-28912 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-28912?: CVE-2021-28912 is a high-severity vulnerability in Bab-Technologie Eibport, classified under Weak Password Requirements. CVSS score: 7.2/10. Published 2021-09-09.
How severe is CVE-2021-28912?: High severity. CVSS v3 base score is 7.2 out of 10.