CVE-2026-5434

Improper storage of sensitive information

Published May 21, 2026 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
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].

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.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].
Title Improper storage of sensitive information
Weaknesses CWE-538
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
Title Improper storage of sensitive information
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-538
CPEs cpe:2.3:h:honeywell:control_network_module:-:*:*:*:*:*:*:*
cpe:2.3:o:honeywell:control_network_module_firmware:*:*:*:*:*:*:*:*
Vendors & Products Honeywell control Network Module
Honeywell control Network Module Firmware
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values 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. This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Type Values Removed Values Added
First Time appeared Honeywell control Network Module
Honeywell control Network Module Firmware
CPEs cpe:2.3:h:honeywell:control_network_module:-:*:*:*:*:*:*:*
cpe:2.3:o:honeywell:control_network_module_firmware:*:*:*:*:*:*:*:*
Vendors & Products Honeywell control Network Module
Honeywell control Network Module Firmware
Type Values Removed Values Added
First Time appeared Honeywell
Honeywell control Network Module (cnm)
Vendors & Products Honeywell
Honeywell control Network Module (cnm)
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values 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.
Title Improper storage of sensitive information
Weaknesses CWE-538
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Honeywell
Published
Updated
Jul 30, 2026, 4:51 PM
Reserved
Apr 2, 2026, 4:12 PM
Status
Undergoing Analysis
Published
May 21, 2026, 9:16 AM
Modified
Oct 14, 2026, 8:10 PM