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CVE-2016-8344 Honeywell CVE debrief

CVE-2016-8344 is an input validation weakness in Honeywell Experion Process Knowledge System (PKS). According to the CVE record, a specially crafted packet can cause the process to terminate, which can prevent firmware uploads to Series-C devices. The issue is reported across Experion PKS Release 3xx and prior, 400, 410, 430, and 431.

Vendor
Honeywell
Product
Experion Process Knowledge System
CVSS
LOW 3.7
CISA KEV
Not listed in stored evidence
Original CVE published
2016-07-31
Original CVE updated
2025-06-05
Advisory published
2016-07-31
Advisory updated
2025-06-05

Who should care

Operators, integrators, and defenders responsible for Honeywell Experion PKS deployments, especially environments that rely on Series-C devices and firmware upload workflows. Industrial control system teams should also review any exposed paths that accept network packets into the affected process.

Technical summary

The NVD record classifies the weakness as CWE-20 (improper input validation) with CVSS v3.0 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L. The described impact is availability-focused: a crafted packet may terminate the process, which in turn can stop firmware uploads to Series-C devices. NVD lists affected Experion PKS versions as Release 3xx and prior, 400, 410, 430, and 431.

Defensive priority

Low. The scoring indicates limited impact and no confidentiality or integrity loss, but the availability effect may still matter in ICS environments where firmware uploads are operationally important.

Recommended defensive actions

  • Identify whether any Honeywell Experion PKS installations in scope match the affected release ranges listed by NVD.
  • Review vendor and ICS-CERT guidance for mitigation steps referenced in the advisory record (ICSA-16-301-01).
  • Restrict exposure of affected packet-processing paths to trusted network segments where possible.
  • Monitor for unexpected process termination or failed firmware upload activity on affected systems.
  • Validate that asset inventories and maintenance procedures account for Series-C device firmware update dependencies.

Evidence notes

Based on the supplied NVD record and referenced ICS-CERT advisory, the vulnerability is an improper input validation issue in Honeywell Experion PKS. The record states that a specially crafted packet can terminate the process and prevent firmware uploads to Series-C devices. NVD assigns CVSS v3.0 3.7 LOW with vector AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L and CWE-20. The CVE was published on 2017-02-13 and later modified on 2026-05-13 in the supplied timeline fields.

Sources and references

Verified primary and authoritative sources

  • CVE-2016-8344 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2016-8344

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2016-8344 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2016-8344

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.