Description
All programming connections receive the same unlocked privileges, which can result in a privilege escalation. During the time Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, an attacker can connect to the PLC and read the project without authorization.
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