gsd-2021-20600
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions "16" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery.
Aliases
Aliases
CVE-2021-20600


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-20600",
    "description": "Uncontrolled resource consumption in MELSEC iQ-R series C Controller Module R12CCPU-V all versions allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery.",
    "id": "GSD-2021-20600"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-20600"
      ],
      "details": "Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery.",
      "id": "GSD-2021-20600",
      "modified": "2023-12-13T01:23:12.228499Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
        "ID": "CVE-2021-20600",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Uncontrolled Resource Consumption"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf",
            "refsource": "MISC",
            "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf"
          },
          {
            "name": "https://jvn.jp/vu/JVNVU94914666/index.html",
            "refsource": "MISC",
            "url": "https://jvn.jp/vu/JVNVU94914666/index.html"
          },
          {
            "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04",
            "refsource": "MISC",
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:mitsubishielectric:r12ccpu-v_firmware:*:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "16",
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:h:mitsubishielectric:r12ccpu-v:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  }
                ],
                "operator": "OR"
              }
            ],
            "cpe_match": [],
            "operator": "AND"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
          "ID": "CVE-2021-20600"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-400"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf"
            },
            {
              "name": "https://jvn.jp/vu/JVNVU94914666/index.html",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://jvn.jp/vu/JVNVU94914666/index.html"
            },
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "US Government Resource"
              ],
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-05-16T22:50Z",
      "publishedDate": "2021-10-08T17:15Z"
    }
  }
}


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