CVE-2026-5433

CRITICAL 9.1

Improper Sanitization in CNM Web Interface

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

Honeywell Control Network Module (CNM) contains command injection vulnerability in the web interface. An attacker could exploit this vulnerability via command delimiters, potentially resulting in Remote Code Execution (RCE).

Vendor	honeywell international inc.
Product	control network module (cnm)
Published	May 21, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Honeywell International Inc. / Control Network Module (CNM)

100.1 ≤ 110.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

process.honeywell.com: https://process.honeywell.com/

Credits

Andreas Krämer, BASF Digital Solutions GmbH Martin Floeck, BASF Digital Solutions GmbH Stefan Stahl, BASF Digital Solutions GmbH