title: Omron CJ-series and CS-series unauthenticated filesystem access.
description: An attacker with network access to the affected PLC (CJ-series and CS-series PLCs, all versions) may use a network protocol to read and write files on the PLC internal memory and memory card.
problem types: CWE-306 Missing Authentication for Critical Function
affected:
{
defaultStatus: affected
product: CJ-series and CS-series CPU modules
vendor: Omron
versions:
status: affected, version: 0
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 8.6
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL