CVE-2014-5435: Honeywell Experion Process Knowledge System

Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days.

An arbitrary memory write vulnerability exists in the dual_onsrv.exe module in Honeywell Experion PKS R40x before R400.6, R41x before R410.6, and R43x before R430.2, that could lead to possible remote code execution or denial of service. Honeywell strongly encourages and recommends all customers running unsupported versions of EKPS prior to R400 to upgrade to a supported version.

Affected products

• Honeywell Experion Process Knowledge System: from r400, before r400.6 (fixed in r400.6); from r410, before r410.6 (fixed in r410.6); from r430, before r430.2 (fixed in r430.2)

Published 2019-04-08. Last modified 2026-06-17.