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Status published
High
CVE-2024-4009
Replay Attack in KNX Secure Devices
Vulnerability Description
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
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
More from ABB, Busch-Jaeger
View All →Affected Vendor
ABB, Busch-Jaeger
View all reports →Affected Software
2.4! Display 55, SD/U12.55.11-825, 2.4! Display 55, SD/SD/U12.55.1-825, 2.4! Display 63, SD/U12.63.11-825, RoomTouch 4", RT/U12.86.1-825, RoomTouch 4", RT/U12.86.11-825, 2,4'' Display 70, SD/U12.70.11-4015, 2,4'' Display 70, SD-U12-70-1-4015, RoomTouch 4", RT/U12.86.11-811, RoomTouch 4", RT-U12-86-1-811, BCU KNX, BA-U1.0.11, BCU KNX, BA-U1.0.1, BCU KNX, BA-U1.0.21
Vulnerable Versions:
1.00, 1.3.0.33
Timeline
Official Publish:
June 5th, 2024
Last Modified:
March 27th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.