CVE-2021-43575

CVSS V2 Low 2.1 CVSS V3 Medium 5.5

Description

** DISPUTED ** KNX ETS6 through 6.0.0 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information, a similar issue to CVE-2021-36799. NOTE: The vendor disputes this because it is not the responsibility of the ETS to securely store cryptographic key material when it is not being exported.

Overview

CVE ID
CVE-2021-43575

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-11-09T23:15:08

Last Modified Date
2021-11-15T18:56:29

Weakness Enumerations

CWE	URL
CWE-798	http://cwe.mitre.org/data/definitions/798.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:knx:engineering_tool_software_6:6.0.0:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
2.1

Severity
LOW

Exploitability Score
3.9

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
5.5

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://github.com/robertguetzkow/ets5-password-recovery	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-43575
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43575

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:47:20				Added to TrackCVE
2022-12-05 14:11:27	2021-11-09T23:15Z	2021-11-09T23:15:08	CVE Published Date	updated
2022-12-05 14:11:27		2021-11-15T18:56:29	CVE Modified Date	updated
2022-12-05 14:11:27		Analyzed	Vulnerability Status	updated