What’s Vulnerable › Vulnerabilities

CVE-2014-5435

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-08 · updated 2026-06-17
• Weakness: CWE-123

Description

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 PKS: from r400 before r400.6; from r410 before r410.6; from r430 before r430.2 — fixed in r400.6, r410.6, r430.2

How to fix

Upgrade to a fixed version: Honeywell Experion PKS r400.6, r410.6, r430.2. Check the vendor advisory for mitigations.

References

• https://ics-cert.us-cert.gov/advisories/ICSA-14-352-01
• https://ics-cert.us-cert.gov/advisories/ICSA-14-352-01

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