AUGUST 4, 2026
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Case File

CVE-2021-32978

HIGH · CVSS 7.5 EPSS 0.99%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-04-04 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. See the original NVD description below for full technical details.

CVE
CVE-2021-32978
Severity
HIGH
CVSS
7.5
EPSS
0.99%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)