title: Automation Direct CLICK PLC CPU Modules Cleartext Transmission of Sensitive Information
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.
problem types: CWE-319: Cleartext Transmission of Sensitive Information
affected:
{
product: CLICK PLC CPU Modules: C0-1x CPUs
vendor: Automation Direct
versions:
lessThan: 3.00, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
version: 3.1
]
solutions: Automation Direct reports these vulnerabilities are all mitigated by Version 3.00 and recommends users update software and firmware to the latest version.
Automation Direct also recommends users follow its security guidelines.