Honeywell MatrikonOPC OPC Controller before 5.1.0.0 allows local users to transfer arbitrary files from a host computer and consequently obtain sensitive information via vectors related to MSXML libraries.
https://ics-cert.us-cert.gov/advisories/ICSA-18-130-01
http://www.securityfocus.com/bid/104157
https://www.opcsupport.com/s/article/SECURITY-NOTIFICATION-OPC-Explorer-SN-2017-04-27-01
Source: Mitre, NVD
Published: 2018-05-17
Updated: 2026-06-17
Base Score: 3.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:P
Severity: Low
Base Score: 6.1
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
Severity: Medium
EPSS: 0.0016