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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2021-32986

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

Description

After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Automation Direct CLICK PLC CPU Modules: C0-1x CPUs

  • unspecified to < 3.00affected

References