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TI-2024-03740 Aliases CVE-2024-4008GHSA-pwx8-3gv4-fqjw

FDSK Leak in KNX Secure Devices

Priority LOW 32CWE-497Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Information disclosure
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-497.

Summary

FDSK Leak in ABB, Busch-Jaeger, FTS Display (version 1.00) and BCU (version 1.3.0.33) allows attacker to take control via access to local KNX Bus-System

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00274 19th 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

VendorProductAffected versionsFixed inStatusSource
ABB, Busch-Jaeger2.4! Display 55, SD/U12.55.11-8251.00—No fix listedCNA
ABB, Busch-Jaeger2.4! Display 55, SD/SD/U12.55.1-8251.00—No fix listedCNA
ABB, Busch-Jaeger2.4! Display 63, SD/U12.63.11-8251.00—No fix listedCNA
ABB, Busch-JaegerRoomTouch 4", RT/U12.86.1-8251.00—No fix listedCNA
ABB, Busch-JaegerRoomTouch 4", RT/U12.86.11-8251.00—No fix listedCNA
ABB, Busch-Jaeger2,4'' Display 70, SD/U12.70.11-40151.00—No fix listedCNA
ABB, Busch-Jaeger2,4'' Display 70, SD-U12-70-1-40151.00—No fix listedCNA
ABB, Busch-JaegerRoomTouch 4", RT/U12.86.11-8111.00—No fix listedCNA
ABB, Busch-JaegerRoomTouch 4", RT-U12-86-1-8111.00—No fix listedCNA
ABB, Busch-JaegerBCU KNX, BA-U1.0.111.3.0.33—No fix listedCNA
ABB, Busch-JaegerBCU KNX, BA-U1.0.11.3.0.33—No fix listedCNA
ABB, Busch-JaegerBCU KNX, BA-U1.0.211.3.0.33—No fix listedCNA
  • 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

CPEVersionsRoleVendor
cpe:2.3:o:abb:2tma310010b0001_firmware:*:*:*:*:*:*:*:*before 1.02VulnerableABB
cpe:2.3:h:abb:2tma310010b0001:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
cpe:2.3:o:abb:2tma310011b0001_firmware:*:*:*:*:*:*:*:*before 1.02VulnerableABB
cpe:2.3:h:abb:2tma310011b0001:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
cpe:2.3:o:abb:2tma310011b0002_firmware:*:*:*:*:*:*:*:*before 1.02VulnerableABB
cpe:2.3:h:abb:2tma310011b0002:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
cpe:2.3:o:abb:2tma310010b0003_firmware:*:*:*:*:*:*:*:*before 1.02VulnerableABB
cpe:2.3:h:abb:2tma310010b0003:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
cpe:2.3:o:abb:2tma310011b0003_firmware:*:*:*:*:*:*:*:*before 1.02VulnerableABB
cpe:2.3:h:abb:2tma310011b0003:-:*:*:*:*:*:*:*not specified by NVDRunning onABB
  • 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

  1. 2026-10-02 Threatist record created from CVE-2024-4008
  2. 2026-10-03 Alias added: GHSA-pwx8-3gv4-fqjw

References

  • TI-2024-03741 Replay Attack in KNX Secure Devices CVSS 4.0HIGH 7.3

Sources