Replay Attack in KNX Secure Devices
Priority LOW 31CWE-294Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-294.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00142 3rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ABB, Busch-Jaeger | 2.4! Display 55, SD/U12.55.11-825 | 1.00 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | 2.4! Display 55, SD/SD/U12.55.1-825 | 1.00 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | 2.4! Display 63, SD/U12.63.11-825 | 1.00 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | RoomTouch 4", RT/U12.86.1-825 | 1.00 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | RoomTouch 4", RT/U12.86.11-825 | 1.00 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | 2,4'' Display 70, SD/U12.70.11-4015 | 1.00 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | 2,4'' Display 70, SD-U12-70-1-4015 | 1.00 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | RoomTouch 4", RT/U12.86.11-811 | 1.00 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | RoomTouch 4", RT-U12-86-1-811 | 1.00 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | BCU KNX, BA-U1.0.11 | 1.3.0.33 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | BCU KNX, BA-U1.0.1 | 1.3.0.33 | — | No fix listed | CNA |
| ABB, Busch-Jaeger | BCU KNX, BA-U1.0.21 | 1.3.0.33 | — | No fix listed | CNA |
- 2.4! Display 55, SD/U12.55.11-825 VendorABB, Busch-Jaeger Affected 1.00 Fixed in — No fix listed CNA
- 2.4! Display 55, SD/SD/U12.55.1-825 VendorABB, Busch-Jaeger Affected 1.00 Fixed in — No fix listed CNA
- 2.4! Display 63, SD/U12.63.11-825 VendorABB, Busch-Jaeger Affected 1.00 Fixed in — No fix listed CNA
- RoomTouch 4", RT/U12.86.1-825 VendorABB, Busch-Jaeger Affected 1.00 Fixed in — No fix listed CNA
- RoomTouch 4", RT/U12.86.11-825 VendorABB, Busch-Jaeger Affected 1.00 Fixed in — No fix listed CNA
- 2,4'' Display 70, SD/U12.70.11-4015 VendorABB, Busch-Jaeger Affected 1.00 Fixed in — No fix listed CNA
- 2,4'' Display 70, SD-U12-70-1-4015 VendorABB, Busch-Jaeger Affected 1.00 Fixed in — No fix listed CNA
- RoomTouch 4", RT/U12.86.11-811 VendorABB, Busch-Jaeger Affected 1.00 Fixed in — No fix listed CNA
- RoomTouch 4", RT-U12-86-1-811 VendorABB, Busch-Jaeger Affected 1.00 Fixed in — No fix listed CNA
- BCU KNX, BA-U1.0.11 VendorABB, Busch-Jaeger Affected 1.3.0.33 Fixed in — No fix listed CNA
- BCU KNX, BA-U1.0.1 VendorABB, Busch-Jaeger Affected 1.3.0.33 Fixed in — No fix listed CNA
- BCU KNX, BA-U1.0.21 VendorABB, Busch-Jaeger Affected 1.3.0.33 Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:abb:2tma310010b0001_firmware:*:*:*:*:*:*:*:* | before 1.02 | Vulnerable | ABB |
| cpe:2.3:h:abb:2tma310010b0001:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ABB |
| cpe:2.3:o:abb:2tma310011b0001_firmware:*:*:*:*:*:*:*:* | before 1.02 | Vulnerable | ABB |
| cpe:2.3:h:abb:2tma310011b0001:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ABB |
| cpe:2.3:o:abb:2tma310011b0002_firmware:*:*:*:*:*:*:*:* | before 1.02 | Vulnerable | ABB |
| cpe:2.3:h:abb:2tma310011b0002:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ABB |
| cpe:2.3:o:abb:2tma310010b0003_firmware:*:*:*:*:*:*:*:* | before 1.02 | Vulnerable | ABB |
| cpe:2.3:h:abb:2tma310010b0003:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ABB |
| cpe:2.3:o:abb:2tma310011b0003_firmware:*:*:*:*:*:*:*:* | before 1.02 | Vulnerable | ABB |
| cpe:2.3:h:abb:2tma310011b0003:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ABB |
- cpe:2.3:o:abb:2tma310010b0001_firmware:*:*:*:*:*:*:*:* Versions before 1.02 Vulnerable ·ABB
- cpe:2.3:h:abb:2tma310010b0001:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
- cpe:2.3:o:abb:2tma310011b0001_firmware:*:*:*:*:*:*:*:* Versions before 1.02 Vulnerable ·ABB
- cpe:2.3:h:abb:2tma310011b0001:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
- cpe:2.3:o:abb:2tma310011b0002_firmware:*:*:*:*:*:*:*:* Versions before 1.02 Vulnerable ·ABB
- cpe:2.3:h:abb:2tma310011b0002:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
- cpe:2.3:o:abb:2tma310010b0003_firmware:*:*:*:*:*:*:*:* Versions before 1.02 Vulnerable ·ABB
- cpe:2.3:h:abb:2tma310010b0003:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
- cpe:2.3:o:abb:2tma310011b0003_firmware:*:*:*:*:*:*:*:* Versions before 1.02 Vulnerable ·ABB
- cpe:2.3:h:abb:2tma310011b0003:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ABB
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-4009
- 2026-10-03 Alias added: GHSA-48fj-hh68-6w6q
References
More ABB 2tma310010b0001 Firmware vulnerabilities
- TI-2024-03740 FDSK Leak in KNX Secure Devices CVSS 4.0HIGH 7.3
Sources
- CVE-2024-4009 · CVE Program
- CVE-2024-4009 · NVD
- FIRST EPSS
- GHSA-48fj-hh68-6w6q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences