Honeywell Internatioinal Inc. Experion Process Knowledge System C300 and ACE

Name: Honeywell Internatioinal Inc. Experion Process Knowledge System C300 and ACE
Brand: Honeywell Internatioinal Inc.

productRU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

EPSS ≥ 10%

by severity

2critical1high0medium0low

updated 2026-10-28

vulnerabilities (3)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-38397US	critical10.0	1.18% (68th)	—	no fix	2022-10-28	≤ R510.2 Hotfix10
CVE-2021-38395US	critical9.8	1.15% (67th)	—	no fix	2022-10-28	≤ R510.2 Hotfix10
CVE-2021-38399US	high7.5	0.93% (60th)	—	no fix	2022-10-28	≤ R510.2 Hotfix10

The flaw types (CWEs) most of these CVEs share.

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')1 CVEs
CWE-23Relative Path Traversal1 CVEs
CWE-434Unrestricted Upload of File with Dangerous Type1 CVEs
CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')1 CVEs

Which sources assert this record, and when.

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