CVE-2026-5434: CWE-538: Insertion of Sensitive Information into Externally-Accessible File or Directory in Honeywell International Inc. Control Network Module (CNM)
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].
AI Analysis
Technical Summary
This vulnerability (CVE-2026-5434) affects Honeywell's Control Network Module (CNM) version 100.1. It is classified under CWE-538, indicating that sensitive information may be exposed through debug information. The CVSS 3.1 vector (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) shows that the attack requires network access with high complexity, no privileges, and no user interaction, and it results in a high impact on confidentiality without affecting integrity or availability. No patch or remediation level has been provided by the vendor, and no exploits are currently known in the wild.
Potential Impact
The vulnerability allows an attacker to gain access to sensitive information due to exposure of debug information, potentially compromising confidentiality. There is no impact on integrity or availability. The attack complexity is high, and no privileges or user interaction are required. No known exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or mitigation level has been published by Honeywell, users should monitor vendor communications for updates. No specific mitigations are currently documented.
CVE-2026-5434: CWE-538: Insertion of Sensitive Information into Externally-Accessible File or Directory in Honeywell International Inc. Control Network Module (CNM)
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].
CVSS v3.1
Score 5.9medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-5434) affects Honeywell's Control Network Module (CNM) version 100.1. It is classified under CWE-538, indicating that sensitive information may be exposed through debug information. The CVSS 3.1 vector (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) shows that the attack requires network access with high complexity, no privileges, and no user interaction, and it results in a high impact on confidentiality without affecting integrity or availability. No patch or remediation level has been provided by the vendor, and no exploits are currently known in the wild.
Potential Impact
The vulnerability allows an attacker to gain access to sensitive information due to exposure of debug information, potentially compromising confidentiality. There is no impact on integrity or availability. The attack complexity is high, and no privileges or user interaction are required. No known exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or mitigation level has been published by Honeywell, users should monitor vendor communications for updates. No specific mitigations are currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Honeywell
- Date Reserved
- 2026-04-02T16:12:23.800Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a0eee5b7b8e1438d0bb6ccd
Added to database: 05/21/2026, 11:36:59 UTC
Last enriched: 06/02/2026, 20:09:27 UTC
Last updated: 07/27/2026, 14:38:01 UTC
Views: 128
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