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.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-19699 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.
Fixes

Solution

Automation Direct reports these vulnerabilities are all mitigated by Version 3.00 and recommends users update software and firmware to the latest version. Automation Direct also recommends users follow its security guidelines.


Workaround

No workaround given by the vendor.

History

Wed, 16 Apr 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2025-04-16T16:31:49.023Z

Reserved: 2021-05-13T00:00:00.000Z

Link: CVE-2021-32978

cve-icon Vulnrichment

Updated: 2024-08-03T23:33:56.069Z

cve-icon NVD

Status : Modified

Published: 2022-04-04T20:15:08.880

Modified: 2024-11-21T06:08:02.920

Link: CVE-2021-32978

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.