ICSA-23-236-01

icsaUScisa_csaf_ot

KNX Protocol

Advisory ansehen veröffentlicht 2023-08-24

Successful exploitation of this vulnerability could cause users to lose access to their device, potentially with no way to reset the device.

01

beschreibt (1)

Zugehörige CVEs.

IDSchweregrad ausnutzbar
CVE-2023-4346UShigh7.5OT kritischKEV
KNX devices that use KNX Connection Authorization and support Option 1 are, depending on the implementation, vulnerable to being locked and users being unable to reset them to gai…
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Referenzen

Externe Belege — Patches, Meldungen, Analysen.

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Behebungen (1)

  • MitigationKNX devices using Connection Authorization Option 1 Style in which no BCU Key is currently set

    The KNX Association also recommends developers always set the BCU Key in every KNX Project that is already finished and will be commissioned in the future. Handover the BCU Key as part of the Project Documentation to the Building Owner.

scry

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