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CVE-2019-18269

Estado: ModificadaCrítica (9.8)—

Omron’s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Omron — PLC CJ FirmwareOmron — PLC CS Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2019-18269",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2019-18269",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-02T19:50:04.104058Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
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        "cvssData": {
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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      }
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  },
  "affected": [
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      "affectedData": [
        {
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          "product": "Omron PLC CJ Series",
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          "product": "Omron PLC CS series",
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  ],
  "published": "2019-12-16T20:15:15.773",
  "references": [
    {
      "url": "https://www.omron-cxone.com/security/2019-12-06_PLC_EN.pdf",
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-02",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://www.omron-cxone.com/security/2019-12-06_PLC_EN.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-02",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "ics-cert@hq.dhs.gov",
      "description": [
        {
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          "value": "CWE-412"
        }
      ]
    },
    {
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Omron’s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability."
    },
    {
      "lang": "es",
      "value": "En el Omron PLC CJ series, todas las versiones, y en el Omron PLC CS series, todas las versiones, el software comprueba apropiadamente la existencia de un bloqueo, pero el bloqueo puede ser controlado externamente o influenciado por un actor que se encuentra fuera de la esfera de control prevista."
    }
  ],
  "lastModified": "2026-06-17T02:24:43.713",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:omron:plc_cj_firmware:*:*:*:*:*:*:*:*",
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            },
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              "matchCriteriaId": "DF9CD76C-F6E9-4E01-A039-4049B706DD92"
            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov"
}