FKIE_CVE-2026-5433

Vulnerability from fkie_nvd - Published: 2026-05-21 09:16 - Updated: 2026-07-30 19:18
Severity
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Summary
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).  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].
References
psirt@honeywell.comhttps://www.honeywell.com/us/en/product-security
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Control Network Module (CNM)",
          "vendor": "Honeywell International Inc.",
          "versions": [
            {
              "lessThanOrEqual": "110.2",
              "status": "affected",
              "version": "100.1",
              "versionType": "cpe"
            }
          ]
        }
      ],
      "source": "psirt@honeywell.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Honeywell Control\nNetwork Module (CNM)\u00a0contains command injection vulnerability\nin the web interface. An attacker could exploit this vulnerability via command\ndelimiters, potentially resulting in Remote Code Execution (RCE).\u00a0\n\n\n\nHoneywell\nrecommends updating to the most recent version of this product, service or\noffering [200.1]. The CNM versions affected are from [100.1, 101.1, 110.1, and 110.2]."
    }
  ],
  "id": "CVE-2026-5433",
  "lastModified": "2026-07-30T19:18:33.750",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 6.0,
        "source": "psirt@honeywell.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-5433",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-21T12:38:39.246019Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-21T09:16:30.270",
  "references": [
    {
      "source": "psirt@honeywell.com",
      "url": "https://www.honeywell.com/us/en/product-security"
    }
  ],
  "sourceIdentifier": "psirt@honeywell.com",
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.