CVE-2014-5435

highpriority · track · 40EPSS 0.035 · 89 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

3.46% (89th) EPSS

CVSS 7.5 · high

Is it mine?

12 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-26

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationExperion PKS R40xcisa_csaf_ot
Available patches that resolve the vulnerabilities are listed below: Software Downloads: Experion Update Patch R400.6, Experion Update Patch R410.6, Experion Update Patch R430.2
MitigationExperion PKS R41xcisa_csaf_ot
Available patches that resolve the vulnerabilities are listed below: Software Downloads: Experion Update Patch R400.6, Experion Update Patch R410.6, Experion Update Patch R430.2
MitigationExperion PKS R43xcisa_csaf_ot
Available patches that resolve the vulnerabilities are listed below: Software Downloads: Experion Update Patch R400.6, Experion Update Patch R410.6, Experion Update Patch R430.2

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v2.09.3criticalAV:N/AC:M/Au:N/C:C/I:C/A:Csecondary · CISA US

v3.09criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-123USCWE-123US

affected products (12)

Products and version ranges known to be affected.

Honeywell Experion PKS R40x: <Experion_PKS_R400.6all versionscisa_csaf_otUS
Honeywell Experion PKS R41x: <Experion_PKS_R410.6all versionscisa_csaf_otUS
Honeywell Experion PKS R43x: <Experion_PKS_R430.2all versionscisa_csaf_otUS
Honeywell Experion PKS R40x< Experion_PKS_R400.6cisa_csaf_otUS
Honeywell Experion PKS R41x< Experion_PKS_R410.6cisa_csaf_otUS
Honeywell Experion PKS R43x< Experion_PKS_R430.2cisa_csaf_otUS
Honeywell Experion PKS≤ R41x before R410.6enisa_euvdEU
Honeywell Experion PKS≤ R40x before R400.6enisa_euvdEU
Honeywell Experion PKS≤ R43x before R430.2enisa_euvdEU
honeywell experion process knowledge systemr400 → r400.6nvdUScpe:2.3:a:honeywell:experion_process_knowledge_system:*:*:*:*:*:*:*:*
honeywell experion process knowledge systemr410 → r410.6nvdUScpe:2.3:a:honeywell:experion_process_knowledge_system:*:*:*:*:*:*:*:*
honeywell experion process knowledge systemr430 → r430.2nvdUScpe:2.3:a:honeywell:experion_process_knowledge_system:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-14-352-01Honeywell Experion PKS Vulnerabilities2014-09-20icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2019-04-08modified 2026-06-17

related (16,099)

Related entries.

ID	severity	EPSS	exploitable	published
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In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branc…
CVE-2026-53266US	—OT critical	0.93% (61st)	KEV	2026-06-25
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+16094 more

references (5)

External citations — patches, advisories, analysis.

http://honeywell.com/Patchcnnvd
https://ics-cert.us-cert.gov/advisories/ICSA-14-352-01 cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2014-5435 cnnvd
https://ics-cert.us-cert.gov/advisories/ICSA-14-352-01 enisa_euvd
https://ics-cert.us-cert.gov/advisories/ICSA-14-352-01MitigationThird Party AdvisoryUS Government Resourcenvd

scry

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