CVE-2021-32986: critical vulnerability in Automation Direct CLICK PLC CPU Modules: C0-1x…
Automation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or Channel
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 1.1%
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 CPUsRelated CVEs — Automation Direct CLICK PLC CPU Modules: C0-1x…
In the same product, most dangerous first.
CVE-2021-32984CRITICALAutomation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or ChannelEPSS 1.1%CVE-2021-32980CRITICALAutomation Direct CLICK PLC CPU Modules Authentication Bypass Using an Alternate Path or ChannelEPSS 1.1%CVE-2021-32978HIGHAutomation Direct CLICK PLC CPU Modules Plaintext Storage of a PasswordEPSS 1.0%CVE-2021-32982HIGHAutomation Direct CLICK PLC CPU Modules Cleartext Transmission of Sensitive InformationEPSS 0.7%