Vulnerabilities > CVE-2021-32986 - Incorrect Authorization vulnerability in Automationdirect products

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
automationdirect
CWE-863
critical

Summary

After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.

Vulnerable Configurations

Part Description Count
OS
Automationdirect
20
Hardware
Automationdirect
20

Common Weakness Enumeration (CWE)