title: Matrikon OPC Server Improper Access Control
description: Matrikon, a subsidary of Honeywell Matrikon OPC Server (all versions) is vulnerable to a condition where a low privileged user allowed to connect to the OPC server to use the functions of the IPersisFile to execute operating system processes with system-level privileges.
problem types: CWE-284 Improper Access Control
affected:
{
product: Matrikon OPC Server
vendor: Matrikon, a subsidiary of Honeywell
versions:
status: affected, version: All Versions
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 5.8
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: LOW
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N
version: 3.1
]
solutions: Matrikon advises affected users to apply mitigations from its security best practices document (login required).