NVD

CVE-2026-5434 Detail

Undergoing Enrichment

This CVE record is currently being enriched by team members, this process results in the association of reference link tags, CVSS, CWE, and CPE applicability statement data

Current Description

Honeywell Control Network Module (CNM) contains insertion of sensitive information into an unintended directory. An attacker could exploit this vulnerability through probing system files, potentially resulting in unintended access to protected data. Honeywell recommends updating to the most recent version of this product, service or offering [200.1]. The CNM versions affected are from [100.1, 101.1, 110.1, and 110.2].

View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

Nist CVSS score does not match with CNA score

CNA: Honeywell International Inc.

Base Score: 5.9 MEDIUM

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.honeywell.com/us/en/product-security	Honeywell International Inc.

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-538	Insertion of Sensitive Information into Externally-Accessible File or Directory	Honeywell International Inc.

Change History

7 change records found show changes

CVE Modified by Honeywell International Inc. 7/27/2026 11:17:06 AM

Action	Type	Old Value	New Value
Changed	Description	Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.	Honeywell Control Network Module (CNM) contains insertion of sensitive information into an unintended directory. An attacker could exploit this vulnerability through probing system files, potentially resulting in unintended access to protected data. Honeywell recommends updating to the most recent version of this product, service or offering [200.1]. The CNM versions affected are from [100.1, 101.1, 110.1, and 110.2].
Added	CVSS V3.1		AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Added	CWE		CWE-538
Added	Reference		https://www.honeywell.com/us/en/product-security
Added	Affected		[{"vendor":"Honeywell International Inc.","product":"Control Network Module (CNM)","defaultStatus":"unaffected","versions":[{"version":"100.1","lessThanOrEqual":"110.2","versionType":"cpe","status":"affected"}]}]

CVE Modified by Honeywell International Inc. 6/02/2026 10:17:05 AM

Action	Type	Old Value	New Value
Changed	Description	Honeywell Control Network Module (CNM) contains insertion of sensitive information into an unintended directory. An attacker could exploit this vulnerability through probing system files, potentially resulting in unintended access to protected data.	Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Removed	CVSS V3.1	Honeywell International Inc.: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Removed	CVSS V3.1	NIST: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Removed	CWE	Honeywell International Inc.: CWE-538
Removed	CPE Configuration	AND OR cpe:2.3:o:honeywell:control_network_module_firmware::::::::* versions from (including) 100.1 up to (including) 110.2 OR cpe:2.3:h:honeywell:control_network_module:-:::::::*
Removed	Reference	Honeywell International Inc.: https://process.honeywell.com/
Removed	Reference Type	Honeywell International Inc.: https://process.honeywell.com/ Types: Product

New CVE Received from Honeywell International Inc. 5/21/2026 5:16:30 AM

Action	Type	New Value
Added	Description	Honeywell Control Network Module (CNM) contains insertion of sensitive information into an unintended directory. An attacker could exploit this vulnerability through probing system files, potentially resulting in unintended access to protected data.
Added	CVSS V3.1	AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Added	CWE	CWE-538
Added	Reference	https://process.honeywell.com/

Quick Info

CVE Dictionary Entry:
CVE-2026-5434
NVD Published Date:
05/21/2026
NVD Last Modified:
07/30/2026
Source:
Honeywell International Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2026-5434 Detail

Current Description

Analysis Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Change History

CVE Modified by CISA-ADP 7/30/2026 3:18:33 PM

CVE Modified by Honeywell International Inc. 7/27/2026 11:17:06 AM

CVE Unrejected by Honeywell International Inc. 7/27/2026 11:17:06 AM

CVE Modified by Honeywell International Inc. 6/02/2026 10:17:05 AM

CVE Rejected by Honeywell International Inc. 6/02/2026 10:17:05 AM

Initial Analysis by NIST 5/22/2026 10:38:40 AM

New CVE Received from Honeywell International Inc. 5/21/2026 5:16:30 AM

Quick Info