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CVE record · CVE-2021-38397

Honeywell Experion PKS and ACE Controllers Unrestricted Upload of File with Dangerous Type

CVSS 10.0 CriticalCriticalEPSS 0.012 · 67th percentile

Critical, because:

  • CVSS score 10.0: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: icscert) at 28 Oct 2022, 01:21 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Honeywell Experion PKS
  • affected C200
  • affected C200E
  • affected C300
  • affected ACE controllers
Identifiers
CVE-2021-38397
CNA
icscert
Weakness (CWE)
CWE-434
Tags
Published
28 Oct 2022
Updated
16 Apr 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
10.0 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CNA (icscert)
  • CISA KEV Not listed.
  • EPSS 0.012, the 67th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 28 Oct 2022. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.