Security readout for executives and security teams
Plain-English summary
Honeywell Control Network Module web interfaces improperly sanitize input, allowing a highly privileged network attacker to inject operating-system commands. Successful exploitation could give the attacker remote code execution and compromise confidentiality, integrity, and availability. Honeywell recommends upgrading to version 200.1.
Executive priority
Treat this as an urgent remediation item for affected operational-technology environments. Prioritize externally reachable or broadly accessible management interfaces, then other affected systems with privileged users. Coordinate upgrades with operational owners because disruption consequences may be significant, although the supplied sources do not describe upgrade downtime.
Technical view
CVE-2026-5433 is a CWE-77 command-injection vulnerability reachable through the CNM web interface. Crafted command delimiters may reach an operating-system command context. CVSS 3.1 scores it 9.1: network-accessible, low complexity, high privileges required, no user interaction, changed scope, and high impact across all security properties.
Likely exposure
Potentially exposed deployments run CNM versions 100.1, 101.1, 110.1, or 110.2 and permit attacker access to the web interface with high privileges. Internet exposure is not established by the supplied sources. Internal administrative networks and compromised privileged accounts remain relevant risk paths.
Exploitation context
The supplied record describes a plausible remote-code-execution path but provides no exploit details or evidence of exploitation in the wild. The CVE is not identified as a KEV entry in the source bundle. Exploitation requires high privileges according to the CVSS vector.
Researcher notes
The narrative identifies four affected releases, but the structured affected-product entry supplied lists only version 100.1 and uses a default status of unaffected. This inconsistency limits certainty about machine-readable scope. Version 200.1 is presented as Honeywell's recommended update. No technical advisory, observed-exploitation evidence, or detailed detection guidance is included.
Mitigation direction
- Inventory CNM deployments and identify versions 100.1, 101.1, 110.1, and 110.2.
- Update affected CNM systems to Honeywell-recommended version 200.1.
- Restrict web-interface access to authorized administrative networks and accounts.
- Review Honeywell product-security guidance for deployment-specific instructions or later advisories.
Validation and detection
- Confirm each CNM's installed version using trusted asset or administrative records.
- Verify upgraded systems report version 200.1 or a later vendor-approved release.
- Confirm the web interface is inaccessible from untrusted networks.
- Review available web and system logs for anomalous input or unexpected command execution.
- Recheck Honeywell guidance for changes to affected versions or remediation advice.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-5433 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H2.36HoneywellVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.honeywell.com/us/en/product-securityCVE reference, Honeywell
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.