What is CVE-2021-28909?

CVE-2021-28909 is a critical-severity vulnerability in Bab-Technologie Eibport, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2021-09-09.

How severe is CVE-2021-28909?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Bab-Technologie Eibport

CVE-2021-28909

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.

EPSS: 0.014 (69.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Bab-technologie Eibport — versions v3
Bab-technologie Eibport_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-28909?: CVE-2021-28909 is a critical-severity vulnerability in Bab-Technologie Eibport, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2021-09-09.
How severe is CVE-2021-28909?: Critical severity. CVSS v3 base score is 9.8 out of 10.