VYPR
High severity7.5NVD Advisory· Published Apr 4, 2022· Updated Jun 17, 2026

CVE-2021-32978

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

22

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.