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Phoenixcontact Tc Mguard Rs4000 4g Vzw Vpn FirmwarePhoenix Contact mGuard Devices versions before 8.8.3: LAN ports get functional after reboot even if they are disabled in the device configuration

Risk 66
Severity
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

On Phoenix Contact mGuard Devices versions before 8.8.3 LAN ports get functional after reboot even if they are disabled in the device configuration. For mGuard devices with integrated switch on the LAN side, single switch ports can be disabled by device configuration. After a reboot these ports get functional independent from their configuration setting: Missing Initialization of Resource

Remedy

PHOENIX CONTACT recommends all mGuard users to upgrade to the firmware version 8.8.3.
First published (updated )
CVE-2020-12523

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SecAlerts Pty Ltd.
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