CVE-2021-20999

WEIDMUELLER: Accidentally open network port in u-controls and IoT-Gateways

Published May 13, 2021 CVSS 3.1 · 9.4 Critical EPSS < 1% KEV · Not listed
Description
In Weidmüller u-controls and IoT-Gateways in versions up to 1.12.1 a network port intended only for device-internal usage is accidentally accessible via external network interfaces. By exploiting this vulnerability the device may be manipulated or the operation may be stopped.

Remediation

Vendor Solution

Weidmüller recommends upgrading affected devices to the current firmware version 1.12.3 or higher which fixes this vulnerability.


Vendor Workaround

Restrict access to the network the device is connected to. Do not directly connect the device to the internet.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-8408 In Weidmüller u-controls and IoT-Gateways in versions up to 1.12.1 a network port intended only for device-internal usage is accidentally accessible via external network interfaces. By exploiting this vulnerability the device may be manipulated or the operation may be stopped.
History

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