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CVE-2021-32980
Published: Apr 4, 2022
Modified: Apr 16, 2025
PUBLISHED
CVSS v3.1
9.8
CRITICAL
Description
Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 does not protect against additional software programming connections. An attacker can connect to the PLC while an existing connection is already active.
| Vendor | Product | Versions |
|---|---|---|
Automation Direct | CLICK PLC CPU Modules: C0-1x CPUs | affected unspecified - < 3.00 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
References
https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02
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