CVE-2021-28909 — CRITICAL (9.8)

Q: How severe is CVE-2021-28909?

CVE-2021-28909 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-28909?

Check the references section above for vendor advisories and patch information. Affected products include: Bab-Technologie Eibport Firmware, Bab-Technologie Eibport.

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Bab-Technologie	Eibport Firmware	< 3.9.1
Bab-Technologie	Eibport	v3

Related Weaknesses (CWE)

CWE-307

References

https://psytester.github.io/CVE-2021-28909Third Party Advisory
https://psytester.github.io/CVE-2021-28909Third Party Advisory

FAQ

What is CVE-2021-28909?

CVE-2021-28909 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 wea...

How severe is CVE-2021-28909?

CVE-2021-28909 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-28909?

Check the references section above for vendor advisories and patch information. Affected products include: Bab-Technologie Eibport Firmware, Bab-Technologie Eibport.