CVE-2024-4009

Replay Attack in KNX Secure Devices

Severity Score

7.3

*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Replay Attack in ABB, Busch-Jaeger, FTS Display (version 1.00) and BCU (version 1.3.0.33) allows attacker to capture/replay KNX telegram to local KNX Bus-System

Replay Attack en ABB, Busch-Jaeger, FTS Display (versión 1.00) y BCU (versión 1.3.0.33) permite al atacante capturar/reproducir telegramas KNX al sistema de bus KNX local

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Attack Requirements

Present

Privileges Required

None

User Interaction

None

System

Vulnerable | Subsequent

Confidentiality

Low

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-04-19 CVE Reserved
2024-06-05 CVE Published
2025-03-27 CVE Updated
2025-04-01 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-294: Authentication Bypass by Capture-replay

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://search.abb.com/library/Download.aspx?DocumentID=9AKK108464A0803&LanguageCode=en&DocumentPartId=&Action=Launch	2024-06-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Abb Search vendor "Abb"	2tma310010b0001 Firmware Search vendor "Abb" for product "2tma310010b0001 Firmware"	< 1.02 Search vendor "Abb" for product "2tma310010b0001 Firmware" and version " < 1.02"	-	Affected	in	Abb Search vendor "Abb"	2tma310010b0001 Search vendor "Abb" for product "2tma310010b0001"	-	-	Safe
Abb Search vendor "Abb"	2tma310011b0001 Firmware Search vendor "Abb" for product "2tma310011b0001 Firmware"	< 1.02 Search vendor "Abb" for product "2tma310011b0001 Firmware" and version " < 1.02"	-	Affected	in	Abb Search vendor "Abb"	2tma310011b0001 Search vendor "Abb" for product "2tma310011b0001"	-	-	Safe
Abb Search vendor "Abb"	2tma310011b0002 Firmware Search vendor "Abb" for product "2tma310011b0002 Firmware"	< 1.02 Search vendor "Abb" for product "2tma310011b0002 Firmware" and version " < 1.02"	-	Affected	in	Abb Search vendor "Abb"	2tma310011b0002 Search vendor "Abb" for product "2tma310011b0002"	-	-	Safe
Abb Search vendor "Abb"	2tma310010b0003 Firmware Search vendor "Abb" for product "2tma310010b0003 Firmware"	< 1.02 Search vendor "Abb" for product "2tma310010b0003 Firmware" and version " < 1.02"	-	Affected	in	Abb Search vendor "Abb"	2tma310010b0003 Search vendor "Abb" for product "2tma310010b0003"	-	-	Safe
Abb Search vendor "Abb"	2tma310011b0003 Firmware Search vendor "Abb" for product "2tma310011b0003 Firmware"	< 1.02 Search vendor "Abb" for product "2tma310011b0003 Firmware" and version " < 1.02"	-	Affected	in	Abb Search vendor "Abb"	2tma310011b0003 Search vendor "Abb" for product "2tma310011b0003"	-	-	Safe