PT-2023-1974 · Merten · Merten Knx

Published 2023-02-14 · Updated 2023-04-28 · CVE-2023-25556

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Merten KNX (affected versions not specified)

Description A vulnerability exists due to improper authentication, which could allow a device to be compromised when a key of less than seven digits is entered and the attacker has access to the KNX installation. This issue is related to weaknesses in the authentication procedure. An attacker, acting remotely, could exploit this vulnerability to gain access to the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2023-01595

CVE-2023-25556

Affected Products

Merten Knx

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2023-25556 · Security Note
• https://osv.dev/vulnerability/CVE-2023-25556 · Vendor Advisory
• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-045-03&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-045-03.pdf · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-01595 · Security Note
• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-045-03&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-045-03.pdf · Note
• https://t.me/cibsecurity/62372 · Telegram Post
• https://t.me/cvenotify/49310 · Telegram Post