FKIE_CVE-2026-4436

Vulnerability from fkie_nvd - Published: 2026-04-09 20:16 - Updated: 2026-10-26 21:10
Severity
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Summary
A low-privileged remote attacker can send Modbus packets to manipulate register values that are inputs to the odorant injection logic such that too much or too little odorant is injected into a gas line.
References
ics-cert@hq.dhs.govhttps://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-02.json
ics-cert@hq.dhs.govhttps://lincenergysystems-my.sharepoint.com/:f:/p/h_baer/IgDYaHIhXpyLQJvnKPd6b80TAUgV7Lp8qmVYBFUb0lmr7ak?e=JLeADm
ics-cert@hq.dhs.govhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-099-02
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "GPL750 (XL4)",
          "vendor": "GPL Odorizers",
          "versions": [
            {
              "lessThan": "v6.0",
              "status": "affected",
              "version": "v1.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "GPL750 (XL4 Prime)",
          "vendor": "GPL Odorizers",
          "versions": [
            {
              "lessThan": "v6.0",
              "status": "affected",
              "version": "v4.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "GPL Odorizers GPL750 (XL7)",
          "vendor": "GPL Odorizers",
          "versions": [
            {
              "lessThan": "v20.0",
              "status": "affected",
              "version": "v13.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "GPL Odorizers GPL750 (XL7 Prime)",
          "vendor": "GPL Odorizers",
          "versions": [
            {
              "lessThan": "v20.0",
              "status": "affected",
              "version": "v18.4",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "ics-cert@hq.dhs.gov"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A low-privileged remote attacker can send Modbus packets to manipulate \nregister values that are inputs to the odorant injection logic such that\n too much or too little odorant is injected into a gas line."
    },
    {
      "lang": "es",
      "value": "Un atacante remoto con pocos privilegios puede enviar paquetes Modbus para manipular los valores de los registros que son entradas para la l\u00f3gica de inyecci\u00f3n de odorante, de tal manera que se inyecte demasiado o muy poco odorante en una l\u00ednea de gas."
    }
  ],
  "id": "CVE-2026-4436",
  "lastModified": "2026-10-26T21:10:00.170",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0,
        "source": "ics-cert@hq.dhs.gov",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-4436",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-14T14:03:00.899159Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-04-09T20:16:27.903",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-02.json"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "url": "https://lincenergysystems-my.sharepoint.com/:f:/p/h_baer/IgDYaHIhXpyLQJvnKPd6b80TAUgV7Lp8qmVYBFUb0lmr7ak?e=JLeADm"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-099-02"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    }
  ]
}



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