gsd-2021-20610
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-R Series R08/16/32/120PCPU, MELSEC iQ-R Series R08/16/32/120PSFCPU, MELSEC iQ-R Series R16/32/64MTCPU, MELSEC iQ-R Series R12CCPU-V, MELSEC Q Series Q03UDECPU, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC Q Series Q03/04/06/13/26UDVCPU, MELSEC Q Series Q04/06/13/26UDPVCPU, MELSEC Q Series Q12DCCPU-V, MELSEC Q Series Q24DHCCPU-V(G), MELSEC Q Series Q24/26DHCCPU-LS, MELSEC Q Series MR-MQ100, MELSEC Q Series Q172/173DCPU-S1, MELSEC Q Series Q172/173DSCPU, MELSEC Q Series Q170MCPU, MELSEC Q Series Q170MSCPU(-S1), MELSEC L Series L02/06/26CPU(-P), MELSEC L Series L26CPU-(P)BT and MELIPC Series MI5122-VW allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2021-20610",
    "description": "Improper Handling of Length Parameter Inconsistency vulnerability in MELSEC iQ-R Series R00/01/02CPU Firmware versions \"24\" and prior, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions \"57\" and prior, MELSEC iQ-R Series R08/16/32/120SFCPU All versions, MELSEC iQ-R Series R08/16/32/120PCPU Firmware versions \"29\" and prior, MELSEC iQ-R Series R08/16/32/120PSFCPU All versions, MELSEC iQ-R Series R16/32/64MTCPU All versions, MELSEC iQ-R Series R12CCPU-V All versions, MELSEC Q Series Q03UDECPU All versions, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU All versions, MELSEC Q Series Q03/04/06/13/26UDVCPU The first 5 digits of serial No. \"23071\" and prior, MELSEC Q Series Q04/06/13/26UDPVCPU The first 5 digits of serial No. \"23071\" and prior, MELSEC Q Series Q12DCCPU-V All versions, MELSEC Q Series Q24DHCCPU-V(G) All versions, MELSEC Q Series Q24/26DHCCPU-LS All versions, MELSEC Q Series MR-MQ100 All versions, MELSEC Q Series Q172/173DCPU-S1 All versions, MELSEC Q Series Q172/172DSCPU All versions, MELSEC Q Series Q170MCPU All versions, MELSEC Q Series Q170MSCPU(-S1) All versions, MELSEC L Series L02/06/26CPU(-P) All versions, MELSEC L Series L26CPU-(P)BT All versions and MELIPC Series MI5122-VW All versions allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.",
    "id": "GSD-2021-20610"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-20610"
      ],
      "details": "Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-R Series R08/16/32/120PCPU, MELSEC iQ-R Series R08/16/32/120PSFCPU, MELSEC iQ-R Series R16/32/64MTCPU, MELSEC iQ-R Series R12CCPU-V, MELSEC Q Series Q03UDECPU, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC Q Series Q03/04/06/13/26UDVCPU, MELSEC Q Series Q04/06/13/26UDPVCPU, MELSEC Q Series Q12DCCPU-V, MELSEC Q Series Q24DHCCPU-V(G), MELSEC Q Series Q24/26DHCCPU-LS, MELSEC Q Series MR-MQ100, MELSEC Q Series Q172/173DCPU-S1, MELSEC Q Series Q172/173DSCPU, MELSEC Q Series Q170MCPU, MELSEC Q Series Q170MSCPU(-S1), MELSEC L Series L02/06/26CPU(-P), MELSEC L Series L26CPU-(P)BT and MELIPC Series MI5122-VW allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.",
      "id": "GSD-2021-20610",
      "modified": "2023-12-13T01:23:12.699318Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
        "ID": "CVE-2021-20610",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "MELSEC iQ-R Series R00CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"24\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R01CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"24\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R02CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"24\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R04CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R08CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R16CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R32CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R120CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R04ENCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R08ENCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R16ENCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R32ENCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R120ENCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"57\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R08SFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"26\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R16SFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"26\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R32SFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"26\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R120SFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"26\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R08PCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"29\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R16PCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"29\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R32PCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"29\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R120PCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"29\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R08PSFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"08\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R16PSFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"08\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R32PSFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"08\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R120PSFCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"08\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R16MTCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"23\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R32MTCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"23\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R64MTCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"23\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC iQ-R Series R12CCPU-V",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Firmware versions \"16\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q03UDECPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q04UDEHCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q06UDEHCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q10UDEHCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q13UDEHCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q20UDEHCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q26UDEHCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q50UDEHCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q100UDEHCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q03UDVCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23071\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q04UDVCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23071\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q06UDVCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23071\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q13UDVCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23071\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q26UDVCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23071\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q04UDPVCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23071\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q06UDPVCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23071\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q13UDPVCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23071\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q26UDPVCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23071\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q12DCCPU-V",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"24031\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q24DHCCPU-V ",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"24031\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q24DHCCPU-VG",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"24031\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q24DHCCPU-LS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"24031\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q26DHCCPU-LS",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"24031\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series MR-MQ100",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"F\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q172DCPU-S1",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"W\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q173DCPU-S1",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"W\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q172DSCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"Y\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q173DSCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"Y\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q170MCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"W\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q170MSCPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"Y\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC Q Series Q170MSCPU-S1",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Operating system software version \"Y\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC L Series L02CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC L Series L06CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC L Series L26CPU",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC L Series L02CPU-P",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC L Series L06CPU-P",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC L Series L26CPU-P",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC L Series L26CPU-BT",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "MELSEC L Series L26CPU-PBT",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "The first 5 digits of serial No. \"23121\" and prior"
                        }
                      ]
                    }
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                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:h:mitsubishi:melsec_iq-r_r32_cpu:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  }
                ],
                "operator": "OR"
              }
            ],
            "cpe_match": [],
            "operator": "AND"
          },
          {
            "children": [
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:mitsubishi:melsec_iq-r_r120_cpu_firmware:*:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:h:mitsubishi:melsec_iq-r_r120_cpu:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  }
                ],
                "operator": "OR"
              }
            ],
            "cpe_match": [],
            "operator": "AND"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
          "ID": "CVE-2021-20610"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-R Series R08/16/32/120PCPU, MELSEC iQ-R Series R08/16/32/120PSFCPU, MELSEC iQ-R Series R16/32/64MTCPU, MELSEC iQ-R Series R12CCPU-V, MELSEC Q Series Q03UDECPU, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC Q Series Q03/04/06/13/26UDVCPU, MELSEC Q Series Q04/06/13/26UDPVCPU, MELSEC Q Series Q12DCCPU-V, MELSEC Q Series Q24DHCCPU-V(G), MELSEC Q Series Q24/26DHCCPU-LS, MELSEC Q Series MR-MQ100, MELSEC Q Series Q172/173DCPU-S1, MELSEC Q Series Q172/173DSCPU, MELSEC Q Series Q170MCPU, MELSEC Q Series Q170MSCPU(-S1), MELSEC L Series L02/06/26CPU(-P), MELSEC L Series L26CPU-(P)BT and MELIPC Series MI5122-VW allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-Other"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf"
            },
            {
              "name": "https://jvn.jp/vu/JVNVU94434051/index.html",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://jvn.jp/vu/JVNVU94434051/index.html"
            },
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "US Government Resource"
              ],
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.8,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-11-09T09:15Z",
      "publishedDate": "2021-12-01T16:15Z"
    }
  }
}


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