CVE-2021-28913

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://psytester.github.io/CVE-2021-28913	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:bab-technologie:eibport_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:bab-technologie:eibport:v3:*:*:*:*:*:*:*

History

20 Sep 2021, 20:26

Type	Values Removed	Values Added
CPE		cpe:2.3:h:bab-technologie:eibport:v3:::::::* cpe:2.3:o:bab-technologie:eibport_firmware::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 10.0 v3 : 9.8
CWE		CWE-306
References	~~(MISC) https://psytester.github.io/CVE-2021-28913 -~~	(MISC) https://psytester.github.io/CVE-2021-28913 - Third Party Advisory

09 Sep 2021, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-09-09 18:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-28913

Mitre link : CVE-2021-28913

CVE.ORG link : CVE-2021-28913

JSON object : View

Products Affected

bab-technologie

eibport
eibport_firmware

CWE

CWE-306

Missing Authentication for Critical Function

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