VULNERABILITY INTELLIGENCE

CVE-2021-20999

CVSS score9.4 CRITICAL
EPSS probability0.95%
CISA KEVNot currently listed
Published2021-05-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

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.

Weakness classification

  • CWE-668: Exposure of Resource to Wrong Sphere

Primary references