Description
Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are sent as plaintext during unlocking and project transfers. An attacker who has network visibility can observe the password exchange.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
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