Vulnerability-Lookup

VAR-201912-1000

Vulnerability from variot - Updated: 2023-12-18 11:39

Omron’s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability. Omron PLC CJ and Omron PLC CS The series contains an unspecified vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Omron PLC CJ and CS series is the PLC of Omron. An attacker could exploit this vulnerability with a specially crafted request to bypass access restrictions to control locking

Show details on source website

JSON

To clipboard

{
  "@context": {
    "@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
    "affected_products": {
      "@id": "https://www.variotdbs.pl/ref/affected_products"
    },
    "configurations": {
      "@id": "https://www.variotdbs.pl/ref/configurations"
    },
    "credits": {
      "@id": "https://www.variotdbs.pl/ref/credits"
    },
    "cvss": {
      "@id": "https://www.variotdbs.pl/ref/cvss/"
    },
    "description": {
      "@id": "https://www.variotdbs.pl/ref/description/"
    },
    "exploit_availability": {
      "@id": "https://www.variotdbs.pl/ref/exploit_availability/"
    },
    "external_ids": {
      "@id": "https://www.variotdbs.pl/ref/external_ids/"
    },
    "iot": {
      "@id": "https://www.variotdbs.pl/ref/iot/"
    },
    "iot_taxonomy": {
      "@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
    },
    "patch": {
      "@id": "https://www.variotdbs.pl/ref/patch/"
    },
    "problemtype_data": {
      "@id": "https://www.variotdbs.pl/ref/problemtype_data/"
    },
    "references": {
      "@id": "https://www.variotdbs.pl/ref/references/"
    },
    "sources": {
      "@id": "https://www.variotdbs.pl/ref/sources/"
    },
    "sources_release_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_release_date/"
    },
    "sources_update_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_update_date/"
    },
    "threat_type": {
      "@id": "https://www.variotdbs.pl/ref/threat_type/"
    },
    "title": {
      "@id": "https://www.variotdbs.pl/ref/title/"
    },
    "type": {
      "@id": "https://www.variotdbs.pl/ref/type/"
    }
  },
  "@id": "https://www.variotdbs.pl/vuln/VAR-201912-1000",
  "affected_products": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/affected_products#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "model": "plc cs",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "omron",
        "version": "*"
      },
      {
        "model": "plc cj",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "omron",
        "version": "*"
      },
      {
        "model": "plc cj",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "omron",
        "version": "firmware"
      },
      {
        "model": "plc cs",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "omron",
        "version": "firmware"
      },
      {
        "model": "plc cs series",
        "scope": null,
        "trust": 0.6,
        "vendor": "omron",
        "version": null
      },
      {
        "model": "plc cj series",
        "scope": null,
        "trust": 0.6,
        "vendor": "omron",
        "version": null
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      },
      {
        "db": "NVD",
        "id": "CVE-2019-18269"
      }
    ]
  },
  "configurations": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/configurations#",
      "children": {
        "@container": "@list"
      },
      "cpe_match": {
        "@container": "@list"
      },
      "data": {
        "@container": "@list"
      },
      "nodes": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:omron:plc_cs_firmware:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:omron:plc_cj_firmware:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2019-18269"
      }
    ]
  },
  "cve": "CVE-2019-18269",
  "cvss": {
    "@context": {
      "cvssV2": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
      },
      "cvssV3": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
      },
      "severity": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/cvss/severity#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/severity"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "cvssV2": [
          {
            "acInsufInfo": false,
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "author": "NVD",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "exploitabilityScore": 10.0,
            "impactScore": 6.4,
            "integrityImpact": "PARTIAL",
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "severity": "HIGH",
            "trust": 1.0,
            "userInteractionRequired": false,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          {
            "acInsufInfo": null,
            "accessComplexity": "Low",
            "accessVector": "Network",
            "authentication": "None",
            "author": "NVD",
            "availabilityImpact": "Partial",
            "baseScore": 7.5,
            "confidentialityImpact": "Partial",
            "exploitabilityScore": null,
            "id": "CVE-2019-18269",
            "impactScore": null,
            "integrityImpact": "Partial",
            "obtainAllPrivilege": null,
            "obtainOtherPrivilege": null,
            "obtainUserPrivilege": null,
            "severity": "High",
            "trust": 0.9,
            "userInteractionRequired": null,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "author": "CNVD",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "exploitabilityScore": 10.0,
            "id": "CNVD-2020-03168",
            "impactScore": 6.4,
            "integrityImpact": "PARTIAL",
            "severity": "HIGH",
            "trust": 0.6,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "author": "VULHUB",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "exploitabilityScore": 10.0,
            "id": "VHN-150598",
            "impactScore": 6.4,
            "integrityImpact": "PARTIAL",
            "severity": "HIGH",
            "trust": 0.1,
            "vectorString": "AV:N/AC:L/AU:N/C:P/I:P/A:P",
            "version": "2.0"
          }
        ],
        "cvssV3": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "author": "NVD",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "exploitabilityScore": 3.9,
            "impactScore": 5.9,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "trust": 1.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          {
            "attackComplexity": "Low",
            "attackVector": "Network",
            "author": "NVD",
            "availabilityImpact": "High",
            "baseScore": 9.8,
            "baseSeverity": "Critical",
            "confidentialityImpact": "High",
            "exploitabilityScore": null,
            "id": "CVE-2019-18269",
            "impactScore": null,
            "integrityImpact": "High",
            "privilegesRequired": "None",
            "scope": "Unchanged",
            "trust": 0.8,
            "userInteraction": "None",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        ],
        "severity": [
          {
            "author": "NVD",
            "id": "CVE-2019-18269",
            "trust": 1.8,
            "value": "CRITICAL"
          },
          {
            "author": "CNVD",
            "id": "CNVD-2020-03168",
            "trust": 0.6,
            "value": "HIGH"
          },
          {
            "author": "CNNVD",
            "id": "CNNVD-201912-635",
            "trust": 0.6,
            "value": "CRITICAL"
          },
          {
            "author": "VULHUB",
            "id": "VHN-150598",
            "trust": 0.1,
            "value": "HIGH"
          },
          {
            "author": "VULMON",
            "id": "CVE-2019-18269",
            "trust": 0.1,
            "value": "HIGH"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      },
      {
        "db": "VULHUB",
        "id": "VHN-150598"
      },
      {
        "db": "VULMON",
        "id": "CVE-2019-18269"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      },
      {
        "db": "NVD",
        "id": "CVE-2019-18269"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-201912-635"
      }
    ]
  },
  "description": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/description#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "\nOmron\u2019s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability. Omron PLC CJ and Omron PLC CS The series contains an unspecified vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. Omron PLC CJ and CS series is the PLC of Omron. An attacker could exploit this vulnerability with a specially crafted request to bypass access restrictions to control locking",
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2019-18269"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      },
      {
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      },
      {
        "db": "VULHUB",
        "id": "VHN-150598"
      },
      {
        "db": "VULMON",
        "id": "CVE-2019-18269"
      }
    ],
    "trust": 2.34
  },
  "external_ids": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/external_ids#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "db": "ICS CERT",
        "id": "ICSA-19-346-02",
        "trust": 3.2
      },
      {
        "db": "NVD",
        "id": "CVE-2019-18269",
        "trust": 3.2
      },
      {
        "db": "JVN",
        "id": "JVNVU91952379",
        "trust": 0.8
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775",
        "trust": 0.8
      },
      {
        "db": "CNVD",
        "id": "CNVD-2020-03168",
        "trust": 0.7
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-201912-635",
        "trust": 0.7
      },
      {
        "db": "AUSCERT",
        "id": "ESB-2019.4659",
        "trust": 0.6
      },
      {
        "db": "VULHUB",
        "id": "VHN-150598",
        "trust": 0.1
      },
      {
        "db": "VULMON",
        "id": "CVE-2019-18269",
        "trust": 0.1
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      },
      {
        "db": "VULHUB",
        "id": "VHN-150598"
      },
      {
        "db": "VULMON",
        "id": "CVE-2019-18269"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      },
      {
        "db": "NVD",
        "id": "CVE-2019-18269"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-201912-635"
      }
    ]
  },
  "id": "VAR-201912-1000",
  "iot": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": true,
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      },
      {
        "db": "VULHUB",
        "id": "VHN-150598"
      }
    ],
    "trust": 1.7
  },
  "iot_taxonomy": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot_taxonomy#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "category": [
          "ICS"
        ],
        "sub_category": null,
        "trust": 0.6
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      }
    ]
  },
  "last_update_date": "2023-12-18T11:39:29.011000Z",
  "patch": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/patch#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "title": "\u30c8\u30c3\u30d7\u30da\u30fc\u30b8",
        "trust": 0.8,
        "url": "https://www.omron.co.jp/"
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      }
    ]
  },
  "problemtype_data": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "problemtype": "NVD-CWE-Other",
        "trust": 1.0
      },
      {
        "problemtype": "CWE-Other",
        "trust": 0.8
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      },
      {
        "db": "NVD",
        "id": "CVE-2019-18269"
      }
    ]
  },
  "references": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/references#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "trust": 3.8,
        "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-02"
      },
      {
        "trust": 1.6,
        "url": "https://www.omron-cxone.com/security/2019-12-06_plc_en.pdf"
      },
      {
        "trust": 1.4,
        "url": "https://nvd.nist.gov/vuln/detail/cve-2019-18269"
      },
      {
        "trust": 0.8,
        "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2019-18269"
      },
      {
        "trust": 0.8,
        "url": "https://jvn.jp/vu/jvnvu91952379/"
      },
      {
        "trust": 0.6,
        "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00323.html"
      },
      {
        "trust": 0.6,
        "url": "https://www.auscert.org.au/bulletins/esb-2019.4659/"
      },
      {
        "trust": 0.1,
        "url": "https://cwe.mitre.org/data/definitions/.html"
      },
      {
        "trust": 0.1,
        "url": "https://nvd.nist.gov"
      },
      {
        "trust": 0.1,
        "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-19-346-02"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      },
      {
        "db": "VULHUB",
        "id": "VHN-150598"
      },
      {
        "db": "VULMON",
        "id": "CVE-2019-18269"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      },
      {
        "db": "NVD",
        "id": "CVE-2019-18269"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-201912-635"
      }
    ]
  },
  "sources": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      },
      {
        "db": "VULHUB",
        "id": "VHN-150598"
      },
      {
        "db": "VULMON",
        "id": "CVE-2019-18269"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      },
      {
        "db": "NVD",
        "id": "CVE-2019-18269"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-201912-635"
      }
    ]
  },
  "sources_release_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2020-01-22T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      },
      {
        "date": "2019-12-16T00:00:00",
        "db": "VULHUB",
        "id": "VHN-150598"
      },
      {
        "date": "2019-12-16T00:00:00",
        "db": "VULMON",
        "id": "CVE-2019-18269"
      },
      {
        "date": "2020-01-16T00:00:00",
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      },
      {
        "date": "2019-12-16T20:15:15.773000",
        "db": "NVD",
        "id": "CVE-2019-18269"
      },
      {
        "date": "2019-12-12T00:00:00",
        "db": "CNNVD",
        "id": "CNNVD-201912-635"
      }
    ]
  },
  "sources_update_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2020-01-22T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2020-03168"
      },
      {
        "date": "2019-12-27T00:00:00",
        "db": "VULHUB",
        "id": "VHN-150598"
      },
      {
        "date": "2019-12-27T00:00:00",
        "db": "VULMON",
        "id": "CVE-2019-18269"
      },
      {
        "date": "2020-01-16T00:00:00",
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      },
      {
        "date": "2023-04-27T23:15:14.657000",
        "db": "NVD",
        "id": "CVE-2019-18269"
      },
      {
        "date": "2023-04-28T00:00:00",
        "db": "CNNVD",
        "id": "CNNVD-201912-635"
      }
    ]
  },
  "threat_type": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/threat_type#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "remote",
    "sources": [
      {
        "db": "CNNVD",
        "id": "CNNVD-201912-635"
      }
    ],
    "trust": 0.6
  },
  "title": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/title#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "Omron PLC CJ and  Omron PLC CS Vulnerability in series",
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2019-013775"
      }
    ],
    "trust": 0.8
  },
  "type": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/type#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "other",
    "sources": [
      {
        "db": "CNNVD",
        "id": "CNNVD-201912-635"
      }
    ],
    "trust": 0.6
  }
}

CVE-2019-18269 (GCVE-0-2019-18269)

Vulnerability from cvelistv5 – Published: 2019-12-16 19:21 – Updated: 2026-06-02 19:50

Summary

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

Severity

8.6 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-02 19:50 UTC

CWE

CWE-412 - Unrestricted Externally Accessible Lock

Assigner

icscert icscert root

References

2 references

URL	Tags
https://www.us-cert.gov/ics/advisories/icsa-19-346-02	x_refsource_MISC
https://www.omron-cxone.com/security/2019-12-06_P…

Impacted products

3 products

Vendor	Product	Version
Omron	Omron PLC CJ Series	Affected: all versions
Omron	Omron PLC CS series	Affected: all versions
Omron	Omron PLC NX1P2 series	Affected: all versions

Credits

Jipeng You (XDU) and n0b0dy reported these vulnerabilities to CISA.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T01:47:14.075Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-02"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.omron-cxone.com/security/2019-12-06_PLC_EN.pdf"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.6,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2019-18269",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-02T19:50:04.104058Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-02T19:50:28.415Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Omron PLC CJ Series",
          "vendor": "Omron",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Omron PLC CS series",
          "vendor": "Omron",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Omron PLC NX1P2 series",
          "vendor": "Omron",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Jipeng You (XDU) and n0b0dy reported these vulnerabilities to CISA."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eOmron\u2019s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability. \u003c/span\u003e"
            }
          ],
          "value": "Omron\u2019s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-412",
              "description": "CWE-412 Unrestricted Externally Accessible Lock",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-27T22:40:45.810Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-02"
        },
        {
          "url": "https://www.omron-cxone.com/security/2019-12-06_PLC_EN.pdf"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eOmron recommends the following mitigation measures:\u003c/p\u003e\u003cul\u003e\u003cli\u003eFilter FINS port: Protect access to Omron\u2019s PLC with a firewall and blocking unnecessary remote access to FINS port (default: 9600).\u003c/li\u003e\u003cli\u003eFilter IP addresses: Protect access to Omron\u2019s PLC with a firewall and filtering devices connected to the PLC by IP address.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eFor more information provided by Omron on these vulnerabilities refer to \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://gcc01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.omron-cxone.com%2Fsecurity%2F2019-12-06_PLC_EN.pdf\u0026amp;data=02%7C01%7Ckent.norris%40inl.gov%7C20bf150382654ea6bed508d77a33e9d1%7C4cf464b7869a42368da2a98566485554%7C0%7C1%7C637112235716101466\u0026amp;sdata=HF291pOMe65LwSvq4DynQqT%2FX7Sw%2BT92JGwRsXmC7WU%3D\u0026amp;reserved=0\"\u003eVulnerabilities in Omron CS and CJ series CPU PLCs\u003c/a\u003e.\u003c/p\u003e\n\n\u003cbr\u003e"
            }
          ],
          "value": "Omron recommends the following mitigation measures:\n\n  *  Filter FINS port: Protect access to Omron\u2019s PLC with a firewall and blocking unnecessary remote access to FINS port (default: 9600).\n  *  Filter IP addresses: Protect access to Omron\u2019s PLC with a firewall and filtering devices connected to the PLC by IP address.\n\n\nFor more information provided by Omron on these vulnerabilities refer to  Vulnerabilities in Omron CS and CJ series CPU PLCs https://gcc01.safelinks.protection.outlook.com/ ."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "ID": "CVE-2019-18269",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Omron PLC CJ and CS Series",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Omron PLC CJ series, all versions, Omron PLC CS series, all versions"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In Omron PLC CJ series, all versions, and Omron PLC CS series, all versions, the software properly checks for the existence of a lock, but the lock can be externally controlled or influenced by an actor that is outside of the intended sphere of control."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "UNRESTRICTED EXTERNALLY ACCESSIBLE LOCK CWE-412"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.us-cert.gov/ics/advisories/icsa-19-346-02",
              "refsource": "MISC",
              "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-02"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2019-18269",
    "datePublished": "2019-12-16T19:21:31.000Z",
    "dateReserved": "2019-10-22T00:00:00.000Z",
    "dateUpdated": "2026-06-02T19:50:28.415Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

VAR-201912-1000

CVE-2019-18269 (GCVE-0-2019-18269)

Tags

Sightings

Nomenclature

Related by attack behaviour