CVE-2021-36799

CVSS V2 Low 2.1 CVSS V3 High 8.8

Description

** UNSUPPORTED WHEN ASSIGNED ** KNX ETS5 through 5.7.6 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Overview

CVE ID
CVE-2021-36799

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-07-19T17:15:11

Last Modified Date
2021-12-15T13:55:37

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_5::::::::	1	OR		5.7.6

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:C/C:H/I:H/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
CHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2

Impact Score
6

References

Reference URL	Reference Tags
https://www.knx.org/knx-en/for-professionals/software/ets-5-professional/	Product Vendor Advisory
https://github.com/robertguetzkow/ets5-password-recovery	Third Party Advisory
http://packetstormsecurity.com/files/165200/ETS5-Password-Recovery-Tool.html	Third Party Advisory VDB Entry

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-36799
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36799

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:41:16				Added to TrackCVE
2022-12-05 06:26:50	2021-07-19T17:15Z	2021-07-19T17:15:11	CVE Published Date	updated
2022-12-05 06:26:50		2021-12-15T13:55:37	CVE Modified Date	updated
2022-12-05 06:26:50		Analyzed	Vulnerability Status	updated