Automation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or Channel
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 1.1%
exploitation probability
1.1%top 38% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Automation Direct · CLICK PLC CPU Modules: C0-1x CPUs