CVE-2014-5435

Q: How do I fix CVE-2014-5435?

Upgrade experion process knowledge system to r430.2 or later.

Q: Is CVE-2014-5435 being actively exploited?

Not that we know of. CVE-2014-5435 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 88% of all scored CVEs.

Q: How severe is CVE-2014-5435?

CVE-2014-5435 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2014-5435 affect?

Published advisories record a fix for experion process knowledge system (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICALEPSS 88th pctl

9.8

CVSS v3

NVD

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.

CWE-123 CWE-787Out-of-bounds Write

How to fix

Remediation Available

experion process knowledge systemNVD

Affected:>= r430, < r430.2Fixed in:r430.2CVE-2014-5435derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.46%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Mitigation1

ics-cert.us-cert.gov

Related Vulnerabilities

Other CWE-123 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-43284	High	7.8	93%	-	Fix
CVE-2026-43500	High	7.8	93%	-	Fix
CVE-2026-46300	High	7.8	7.0%	-	Fix
CVE-2015-8271	Critical	9.8	5.9%	-	Fix
CVE-2017-10994	High	7.3	4.9%	-	-
CVE-2025-55298	High	7.5	4.4%	-	Fix

Common questions

How do I fix CVE-2014-5435?

Upgrade experion process knowledge system to r430.2 or later.

Is CVE-2014-5435 being actively exploited?

Not that we know of. CVE-2014-5435 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 88% of all scored CVEs.

How severe is CVE-2014-5435?

CVE-2014-5435 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2014-5435 affect?

Published advisories record a fix for experion process knowledge system (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.