Unrated severityNVD Advisory· Published Apr 4, 2022· Updated Apr 16, 2025

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

CVE-2021-32980

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

Automationdirect/CLICK PLC CPU Modulesllm-fuzzy2 versions
<3.00+ 1 more
- (no CPE)range: <3.00
- (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

www.cisa.gov/uscert/ics/advisories/icsa-21-166-02mitrex_refsource_CONFIRM

News mentions

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