CVE-2021-32978

Published: Apr 4, 2022

Modified: Apr 16, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

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.

Vendor	Product	Versions
Automation Direct	CLICK PLC CPU Modules: C0-1x CPUs	affected `unspecified - < 3.00`

Weaknesses (CWE)

CWE-256

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

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

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CVE-2021-32978

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References