CVE Vulnerabilities

CVE-2021-28912

Weak Password Requirements

Published: Sep 09, 2021 | Modified: Sep 20, 2021
CVSS 3.x
7.2
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
9 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

The product does not require that users should have strong passwords, which makes it easier for attackers to compromise user accounts.

Affected Software

Name Vendor Start Version End Version
Eibport_firmware Bab-technologie * 3.9.1 (excluding)

Potential Mitigations

  • A product’s design should require adherance to an appropriate password policy. Specific password requirements depend strongly on contextual factors, but it is recommended to contain the following attributes:

  • Depending on the threat model, the password policy may include several additional attributes.

  • See NIST 800-63B [REF-1053] for further information on password requirements.

References