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

Automation Direct CLICK PLC CPU Modules Plaintext Storage of a Password

CVE-2021-32978

Description

The programming protocol allows for a previously entered password and lock state to be read by an attacker. If the previously entered password was successful, the attacker can then use the password to unlock Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00.

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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