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.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Automation Direct / CLICK PLC CPU Modules: C0-1x CPUsunspecified – 3.00
References
- VENDOR_ADVISORYhttps://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02