CVE-2021-32982

Automation Direct CLICK PLC CPU Modules Cleartext Transmission of Sensitive Information

State: Published
Severity: 7.5 High
Published: Apr 4, 2022
Updated: Apr 16, 2025
Reserved: May 13, 2021

Description

Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are sent as plaintext during unlocking and project transfers. An attacker who has network visibility can observe the password exchange.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	icscert

Weaknesses

CWE-319 Cleartext Transmission of Sensitive Information

Affected Products

Product	Versions
CLICK PLC CPU Modules: C0-1x CPUsAutomation Direct	before 3.00Affected

References

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

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