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SSA-828116 PUBLISHED CVSS 6.5 MEDIUM

Affected devices improperly handle specific incoming BACnet MSTP messages. This could allow an attacker residing in the same BACnet network to send a specially crafted MSTP message that results in a denial of service condition of the targeted device. A power cycle is required to restore the device's normal operation.

Risk Scores

CVSS v3.1
6.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
SiemensBACnet ATEC 550-445
SiemensBACnet ATEC 550-446
SiemensBACnet ATEC 550-440
SiemensBACnet ATEC 550-441

Timeline

References

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