CVE-2021-28913

Description

BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers access to /webif/SecurityModule to validate the so called and hard coded unique 'eibPort String' which acts as the root SSH key passphrase. This is usable and part of an attack chain to gain SSH root access.

References

Third Party Advisory

CvssV3 impact

BaseSeverity

CRITICAL

ConfidentialityImpact

HIGH

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

NETWORK

AvailabilityImpact

HIGH

IntegrityImpact

HIGH

PrivilegesRequired

NONE

BaseScore

9.8

VectorString

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

Version

3.1

UserInteraction

NONE

CvssV2 impact

AccessComplexity

LOW

ConfidentialityImpact

COMPLETE

AvailabilityImpact

COMPLETE

IntegrityImpact

COMPLETE

BaseScore

10

VectorString

AV:N/AC:L/Au:N/C:C/I:C/A:C

Version

2.0

AccessVector

NETWORK

Authentication

NONE