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Critical · 9.8 CVE-2021-32980 EUVD-2021-19701GHSA-h8fg-8j3g-7p4x

Automation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or Channel

Published Apr 4, 2022 · Updated Apr 16, 2025 · Assigned by icscert

Description

Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 does not protect against additional software programming connections. An attacker can connect to the PLC while an existing connection is already active.

Affected products

VendorProductAffectedFixed
Automation Direct CLICK PLC CPU Modules: C0-1x CPUs unspecified – < 3.00 3.00

Advisories 1

References