GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

VAR-202110-0968

Vulnerability from variot - Updated: 2023-12-18 13:27

Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files. Provided by OMRON Corporation CX-Supervisor Is a memory reference outside the area ( CWE-125 , CVE-2021-20836 ) Vulnerability exists. The following is the vulnerability information JPCERT/CC Report to JPCERT/CC Coordinated with the developers

Show details on source website

{
  "@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-202110-0968",
  "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": "cx-supervisor",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "omron",
        "version": "4.0.0.16"
      },
      {
        "model": "cx-supervisor",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "omron",
        "version": "4.0.0.13"
      },
      {
        "model": "cx-supervisor",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "\u30aa\u30e0\u30ed\u30f3\u682a\u5f0f\u4f1a\u793e",
        "version": "v4.0.0.13"
      },
      {
        "model": "cx-supervisor",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "\u30aa\u30e0\u30ed\u30f3\u682a\u5f0f\u4f1a\u793e",
        "version": "v4.0.0.16"
      },
      {
        "model": "cx-supervisor",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "\u30aa\u30e0\u30ed\u30f3\u682a\u5f0f\u4f1a\u793e",
        "version": null
      },
      {
        "model": "cx-supervisor",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "\u30aa\u30e0\u30ed\u30f3\u682a\u5f0f\u4f1a\u793e",
        "version": "also,  is a product sold only outside japan."
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-20836"
      }
    ]
  },
  "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:a:omron:cx-supervisor:4.0.0.13:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:omron:cx-supervisor:4.0.0.16:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2021-20836"
      }
    ]
  },
  "cve": "CVE-2021-20836",
  "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": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "author": "NVD",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.0,
            "confidentialityImpact": "PARTIAL",
            "exploitabilityScore": 6.8,
            "impactScore": 6.4,
            "integrityImpact": "PARTIAL",
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "severity": "MEDIUM",
            "trust": 1.0,
            "userInteractionRequired": true,
            "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "author": "VULHUB",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.0,
            "confidentialityImpact": "PARTIAL",
            "exploitabilityScore": 6.8,
            "id": "VHN-378512",
            "impactScore": 6.4,
            "integrityImpact": "PARTIAL",
            "severity": "MEDIUM",
            "trust": 0.1,
            "vectorString": "AV:N/AC:M/AU:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          {
            "acInsufInfo": null,
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "author": "VULMON",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.0,
            "confidentialityImpact": "PARTIAL",
            "exploitabilityScore": 6.8,
            "id": "CVE-2021-20836",
            "impactScore": 6.4,
            "integrityImpact": "PARTIAL",
            "obtainAllPrivilege": null,
            "obtainOtherPrivilege": null,
            "obtainUserPrivilege": null,
            "severity": "MEDIUM",
            "trust": 0.1,
            "userInteractionRequired": null,
            "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          }
        ],
        "cvssV3": [
          {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "author": "NVD",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "exploitabilityScore": 0.6,
            "impactScore": 5.9,
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "trust": 1.0,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          {
            "attackComplexity": "Low",
            "attackVector": "Local",
            "author": "OTHER",
            "availabilityImpact": "High",
            "baseScore": 6.5,
            "baseSeverity": "Medium",
            "confidentialityImpact": "High",
            "exploitabilityScore": null,
            "id": "JVNDB-2021-003080",
            "impactScore": null,
            "integrityImpact": "High",
            "privilegesRequired": "High",
            "scope": "Unchanged",
            "trust": 0.8,
            "userInteraction": "Required",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        ],
        "severity": [
          {
            "author": "NVD",
            "id": "CVE-2021-20836",
            "trust": 1.0,
            "value": "MEDIUM"
          },
          {
            "author": "OTHER",
            "id": "JVNDB-2021-003080",
            "trust": 0.8,
            "value": "Medium"
          },
          {
            "author": "CNNVD",
            "id": "CNNVD-202110-1213",
            "trust": 0.6,
            "value": "MEDIUM"
          },
          {
            "author": "VULHUB",
            "id": "VHN-378512",
            "trust": 0.1,
            "value": "MEDIUM"
          },
          {
            "author": "VULMON",
            "id": "CVE-2021-20836",
            "trust": 0.1,
            "value": "MEDIUM"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "VULHUB",
        "id": "VHN-378512"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-20836"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-20836"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202110-1213"
      }
    ]
  },
  "description": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/description#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files. Provided by OMRON Corporation CX-Supervisor Is a memory reference outside the area ( CWE-125 , CVE-2021-20836 ) Vulnerability exists. The following is the vulnerability information JPCERT/CC Report to JPCERT/CC Coordinated with the developers",
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2021-20836"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "db": "VULHUB",
        "id": "VHN-378512"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-20836"
      }
    ],
    "trust": 1.8
  },
  "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": "JVN",
        "id": "JVNVU90041391",
        "trust": 2.6
      },
      {
        "db": "NVD",
        "id": "CVE-2021-20836",
        "trust": 2.6
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080",
        "trust": 1.4
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202110-1213",
        "trust": 0.6
      },
      {
        "db": "VULHUB",
        "id": "VHN-378512",
        "trust": 0.1
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-20836",
        "trust": 0.1
      }
    ],
    "sources": [
      {
        "db": "VULHUB",
        "id": "VHN-378512"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-20836"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-20836"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202110-1213"
      }
    ]
  },
  "id": "VAR-202110-0968",
  "iot": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": true,
    "sources": [
      {
        "db": "VULHUB",
        "id": "VHN-378512"
      }
    ],
    "trust": 0.5457547
  },
  "last_update_date": "2023-12-18T13:27:33.232000Z",
  "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": "Release\u00a0Notes\u00a0For\u00a0CX-Supervisor\u00a04.1.1.2 OMRON Corporation",
        "trust": 0.8,
        "url": "https://www.myomron.com/index.php?action=kb\u0026article=1692"
      },
      {
        "title": "Omron CX-Supervisor Buffer error vulnerability fix",
        "trust": 0.6,
        "url": "http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=167088"
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202110-1213"
      }
    ]
  },
  "problemtype_data": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "problemtype": "CWE-125",
        "trust": 1.1
      },
      {
        "problemtype": "Out-of-bounds read (CWE-125) [ Other ]",
        "trust": 0.8
      }
    ],
    "sources": [
      {
        "db": "VULHUB",
        "id": "VHN-378512"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-20836"
      }
    ]
  },
  "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": 1.8,
        "url": "https://jvn.jp/en/vu/jvnvu90041391/index.html"
      },
      {
        "trust": 1.7,
        "url": "https://www.myomron.com/index.php?action=kb\u0026article=1692"
      },
      {
        "trust": 0.8,
        "url": "https://jvn.jp/vu/jvnvu90041391/"
      },
      {
        "trust": 0.8,
        "url": "https://nvd.nist.gov/vuln/detail/cve-2021-20836"
      },
      {
        "trust": 0.6,
        "url": "https://jvndb.jvn.jp/en/contents/2021/jvndb-2021-003080.html"
      },
      {
        "trust": 0.1,
        "url": "https://www.myomron.com/index.php?action=kb\u0026amp;article=1692"
      },
      {
        "trust": 0.1,
        "url": "https://cwe.mitre.org/data/definitions/125.html"
      },
      {
        "trust": 0.1,
        "url": "https://nvd.nist.gov"
      }
    ],
    "sources": [
      {
        "db": "VULHUB",
        "id": "VHN-378512"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-20836"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-20836"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202110-1213"
      }
    ]
  },
  "sources": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "db": "VULHUB",
        "id": "VHN-378512"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-20836"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-20836"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202110-1213"
      }
    ]
  },
  "sources_release_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2021-10-19T00:00:00",
        "db": "VULHUB",
        "id": "VHN-378512"
      },
      {
        "date": "2021-10-19T00:00:00",
        "db": "VULMON",
        "id": "CVE-2021-20836"
      },
      {
        "date": "2021-10-18T00:00:00",
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "date": "2021-10-19T03:15:06.887000",
        "db": "NVD",
        "id": "CVE-2021-20836"
      },
      {
        "date": "2021-10-15T00:00:00",
        "db": "CNNVD",
        "id": "CNNVD-202110-1213"
      }
    ]
  },
  "sources_update_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2021-10-22T00:00:00",
        "db": "VULHUB",
        "id": "VHN-378512"
      },
      {
        "date": "2021-10-22T00:00:00",
        "db": "VULMON",
        "id": "CVE-2021-20836"
      },
      {
        "date": "2021-11-01T06:34:00",
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      },
      {
        "date": "2021-10-22T17:02:14.547000",
        "db": "NVD",
        "id": "CVE-2021-20836"
      },
      {
        "date": "2021-10-25T00:00:00",
        "db": "CNNVD",
        "id": "CNNVD-202110-1213"
      }
    ]
  },
  "threat_type": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/threat_type#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "local",
    "sources": [
      {
        "db": "CNNVD",
        "id": "CNNVD-202110-1213"
      }
    ],
    "trust": 0.6
  },
  "title": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/title#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "Made by OMRON \u00a0CX-Supervisor\u00a0 Out-of-bounds memory reference vulnerability in",
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-003080"
      }
    ],
    "trust": 0.8
  },
  "type": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/type#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "buffer error",
    "sources": [
      {
        "db": "CNNVD",
        "id": "CNNVD-202110-1213"
      }
    ],
    "trust": 0.6
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…