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CVE-2021-20611 (GCVE-0-2021-20611)

Vulnerability from cvelistv5 – Published: 2021-12-01 15:41 – Updated: 2024-08-03 17:45
VLAI
Summary
Improper Input Validation 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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version CPE status
Mitsubishi Electric Corporation MELSEC iQ-R Series R00CPU Affected: Firmware versions "24" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R01CPU Affected: Firmware versions "24" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R02CPU Affected: Firmware versions "24" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R04CPU Affected: Firmware versions "57" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R08CPU Affected: Firmware versions "57" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R16CPU Affected: Firmware versions "57" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R32CPU Affected: Firmware versions "57" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R120CPU Affected: Firmware versions "57" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R04ENCPU Affected: Firmware versions "57" and prior
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Mitsubishi Electric Corporation MELSEC iQ-R Series R08ENCPU Affected: Firmware versions "57" and prior
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Mitsubishi Electric Corporation MELSEC iQ-R Series R16ENCPU Affected: Firmware versions "57" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R32ENCPU Affected: Firmware versions "57" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R120ENCPU Affected: Firmware versions "57" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R08SFCPU Affected: Firmware versions "26" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R16SFCPU Affected: Firmware versions "26" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R32SFCPU Affected: Firmware versions "26" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R120SFCPU Affected: Firmware versions "26" and prior
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Mitsubishi Electric Corporation MELSEC iQ-R Series R08PCPU Affected: Firmware versions "29" and prior
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Mitsubishi Electric Corporation MELSEC iQ-R Series R16PCPU Affected: Firmware versions "29" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R32PCPU Affected: Firmware versions "29" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R120PCPU Affected: Firmware versions "29" and prior
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Mitsubishi Electric Corporation MELSEC iQ-R Series R08PSFCPU Affected: Firmware versions "08" and prior
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Mitsubishi Electric Corporation MELSEC iQ-R Series R16PSFCPU Affected: Firmware versions "08" and prior
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Mitsubishi Electric Corporation MELSEC iQ-R Series R32PSFCPU Affected: Firmware versions "08" and prior
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Mitsubishi Electric Corporation MELSEC iQ-R Series R120PSFCPU Affected: Firmware versions "08" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R16MTCPU Affected: Operating system software version "23" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R32MTCPU Affected: Operating system software version "23" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R64MTCPU Affected: Operating system software version "23" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-R Series R12CCPU-V Affected: Firmware versions "16" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q03UDECPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q04UDEHCPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q06UDEHCPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q10UDEHCPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q13UDEHCPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q20UDEHCPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q26UDEHCPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q50UDEHCPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q100UDEHCPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q03UDVCPU Affected: The first 5 digits of serial No. "23071" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q04UDVCPU Affected: The first 5 digits of serial No. "23071" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q06UDVCPU Affected: The first 5 digits of serial No. "23071" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q13UDVCPU Affected: The first 5 digits of serial No. "23071" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q26UDVCPU Affected: The first 5 digits of serial No. "23071" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q04UDPVCPU Affected: The first 5 digits of serial No. "23071" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q06UDPVCPU Affected: The first 5 digits of serial No. "23071" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q13UDPVCPU Affected: The first 5 digits of serial No. "23071" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q26UDPVCPU Affected: The first 5 digits of serial No. "23071" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q12DCCPU-V Affected: The first 5 digits of serial No. "24031" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q24DHCCPU-V Affected: The first 5 digits of serial No. "24031" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q24DHCCPU-VG Affected: The first 5 digits of serial No. "24031" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q24DHCCPU-LS Affected: The first 5 digits of serial No. "24031" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q26DHCCPU-LS Affected: The first 5 digits of serial No. "24031" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series MR-MQ100 Affected: Operating system software version "F" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q172DCPU-S1 Affected: Operating system software version "W" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q173DCPU-S1 Affected: Operating system software version "W" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q172DSCPU Affected: Operating system software version "Y" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q173DSCPU Affected: Operating system software version "Y" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q170MCPU Affected: Operating system software version "W" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q170MSCPU Affected: Operating system software version "Y" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC Q Series Q170MSCPU-S1 Affected: Operating system software version "Y" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC L Series L02CPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC L Series L06CPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC L Series L26CPU Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC L Series L02CPU-P Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC L Series L06CPU-P Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC L Series L26CPU-P Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC L Series L26CPU-BT Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC L Series L26CPU-PBT Affected: The first 5 digits of serial No. "23121" and prior
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELIPC Series MI5122-VW Affected: Firmware versions "05" and prior
guessed Create a notification for this product.
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          "defaultStatus": "unaffected",
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              "status": "affected",
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          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R32ENCPU",
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              "status": "affected",
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          ]
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          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R120ENCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"57\" and prior"
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          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R08SFCPU",
          "vendor": "Mitsubishi Electric Corporation",
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            {
              "status": "affected",
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          "defaultStatus": "unaffected",
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          "defaultStatus": "unaffected",
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            {
              "status": "affected",
              "version": "Firmware versions \"29\" and prior"
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          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R16PCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"29\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R32PCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"29\" and prior"
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        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R120PCPU",
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          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"29\" and prior"
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          ]
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        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R08PSFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"08\" and prior"
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          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R16PSFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"08\" and prior"
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          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R32PSFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"08\" and prior"
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          ]
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        {
          "defaultStatus": "unaffected",
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          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"08\" and prior"
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        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R16MTCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Operating system software version \"23\" and prior"
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        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R32MTCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Operating system software version \"23\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R64MTCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Operating system software version \"23\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series R12CCPU-V",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"16\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q03UDECPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23121\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q04UDEHCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23121\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q06UDEHCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23121\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q10UDEHCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23121\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q13UDEHCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23121\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q20UDEHCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23121\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q26UDEHCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23121\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q50UDEHCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23121\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q100UDEHCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23121\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q03UDVCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23071\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q04UDVCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23071\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q06UDVCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23071\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q13UDVCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "The first 5 digits of serial No. \"23071\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC Q Series Q26UDVCPU",
          "vendor": "Mitsubishi Electric Corporation",
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"Improper Input Validation 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.\"}, {\"lang\": \"es\", \"value\": \"Vulnerabilidad de validaci\\u00f3n de entrada inadecuada en Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU Firmware versiones \\\"24\\\" y anteriores, Mitsubishi Electric MELSEC iQ-R Series R04/08/16/32/120(ES)CPU Firmware versiones \\\"57\\\" y anteriores, Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120SFCPU Firmware versiones \\\"28\\\" y anteriores, Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120PCPU Firmware versiones \\\"29\\\" y anteriores, Mitsubishi Electric MELSEC Serie iQ-R R08/16/32/120PSFCPU Versiones de firmware \\\"08\\\" y anteriores, Mitsubishi Electric MELSEC Serie iQ-R R16/32/64MTCPU Versi\\u00f3n de software del sistema operativo \\\"23\\\" y anteriores, Mitsubishi Electric MELSEC Serie iQ-R R12CCPU-V Versiones de firmware \\\"16\\\" y anteriores, Mitsubishi Electric MELSEC Serie Q Q03UDECPU Los primeros 5 d\\u00edgitos del n\\u00famero de serie \\\"23121\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU Los primeros 5 d\\u00edgitos del n\\u00famero de serie \\\"23121\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q03/04/06/13/26UDVCPU Los primeros 5 d\\u00edgitos del n\\u00famero de serie \\\"23071\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q04/06/13/26UDPVCPU Los primeros 5 d\\u00edgitos del n\\u00famero de serie \\\"23071\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q12DCCPU-V Los 5 primeros d\\u00edgitos del n\\u00famero de serie \\\"24031\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q24DHCCPU-V(G) Los 5 primeros d\\u00edgitos del n\\u00famero de serie \\\"24031\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q24/26DHCCPU-LS Los 5 primeros d\\u00edgitos del n\\u00famero de serie \\\"24031\\\" y anteriores, Mitsubishi Electric MELSEC Q Series MR-MQ100 Versi\\u00f3n de software del sistema operativo \\\"F\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q172/173DCPU-S1 Versi\\u00f3n de software del sistema operativo \\\"W\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q172/173DSCPU Todas las versiones, Mitsubishi Electric MELSEC Serie Q Q170MCPU Versi\\u00f3n de software del sistema operativo \\\"W\\\" y anteriores, Mitsubishi Electric MELSEC Serie Q Q170MSCPU(-S1) Todas las versiones, Mitsubishi Electric MELSEC Serie L L02/06/26CPU(-P) Los primeros 5 d\\u00edgitos del n\\u00famero de serie \\\"23121\\\" y anteriores, Mitsubishi Electric MELSEC Serie L26CPU-(P)BT Los primeros 5 d\\u00edgitos del n\\u00famero de serie \\\"23121\\\" y anteriores y Mitsubishi Electric MELIPC Serie MI5122-VW Versiones de firmware \\\"05\\\" y anteriores permiten a un atacante remoto no autentificado provocar una condici\\u00f3n de denegaci\\u00f3n de servicio (DoS) mediante el env\\u00edo de paquetes especialmente dise\\u00f1ados. Se requiere un reinicio del sistema para la recuperaci\\u00f3n\"}]",
      "id": "CVE-2021-20611",
      "lastModified": "2024-11-21T05:46:52.650",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:C\", \"baseScore\": 7.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-12-01T16:15:07.550",
      "references": "[{\"url\": \"https://jvn.jp/vu/JVNVU94434051/index.html\", \"source\": \"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02\", \"source\": \"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}, {\"url\": \"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf\", \"source\": \"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://jvn.jp/vu/JVNVU94434051/index.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}, {\"url\": \"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-20\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-20\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-20611\",\"sourceIdentifier\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"published\":\"2021-12-01T16:15:07.550\",\"lastModified\":\"2024-11-21T05:46:52.650\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Improper Input Validation 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.\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad de validaci\u00f3n de entrada inadecuada en Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU Firmware versiones \\\"24\\\" y anteriores, Mitsubishi Electric MELSEC iQ-R Series R04/08/16/32/120(ES)CPU Firmware versiones \\\"57\\\" y anteriores, Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120SFCPU Firmware versiones \\\"28\\\" y anteriores, Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120PCPU Firmware versiones \\\"29\\\" y anteriores, Mitsubishi Electric MELSEC Serie iQ-R R08/16/32/120PSFCPU Versiones de firmware \\\"08\\\" y anteriores, Mitsubishi Electric MELSEC Serie iQ-R R16/32/64MTCPU Versi\u00f3n de software del sistema operativo \\\"23\\\" y anteriores, Mitsubishi Electric MELSEC Serie iQ-R R12CCPU-V Versiones de firmware \\\"16\\\" y anteriores, Mitsubishi Electric MELSEC Serie Q Q03UDECPU Los primeros 5 d\u00edgitos del n\u00famero de serie \\\"23121\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU Los primeros 5 d\u00edgitos del n\u00famero de serie \\\"23121\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q03/04/06/13/26UDVCPU Los primeros 5 d\u00edgitos del n\u00famero de serie \\\"23071\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q04/06/13/26UDPVCPU Los primeros 5 d\u00edgitos del n\u00famero de serie \\\"23071\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q12DCCPU-V Los 5 primeros d\u00edgitos del n\u00famero de serie \\\"24031\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q24DHCCPU-V(G) Los 5 primeros d\u00edgitos del n\u00famero de serie \\\"24031\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q24/26DHCCPU-LS Los 5 primeros d\u00edgitos del n\u00famero de serie \\\"24031\\\" y anteriores, Mitsubishi Electric MELSEC Q Series MR-MQ100 Versi\u00f3n de software del sistema operativo \\\"F\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q172/173DCPU-S1 Versi\u00f3n de software del sistema operativo \\\"W\\\" y anteriores, Mitsubishi Electric MELSEC Q Series Q172/173DSCPU Todas las versiones, Mitsubishi Electric MELSEC Serie Q Q170MCPU Versi\u00f3n de software del sistema operativo \\\"W\\\" y anteriores, Mitsubishi Electric MELSEC Serie Q Q170MSCPU(-S1) Todas las versiones, Mitsubishi Electric MELSEC Serie L L02/06/26CPU(-P) Los primeros 5 d\u00edgitos del n\u00famero de serie \\\"23121\\\" y anteriores, Mitsubishi Electric MELSEC Serie L26CPU-(P)BT Los primeros 5 d\u00edgitos del n\u00famero de serie \\\"23121\\\" y anteriores y Mitsubishi Electric MELIPC Serie MI5122-VW Versiones de firmware \\\"05\\\" y anteriores permiten a un atacante remoto no autentificado provocar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) mediante el env\u00edo de paquetes especialmente dise\u00f1ados. Se requiere un reinicio del sistema para la recuperaci\u00f3n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":7.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishi:melsec_iq-r_r00_cpu_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"24\",\"matchCriteriaId\":\"B171EC8C-7564-48C3-8FFF-E1D497F16017\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishi:melsec_iq-r_r00_cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FC6B7E9C-C56C-4452-9A8A-3E8BF51ED354\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishi:melsec_iq-r_r01_cpu_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"24\",\"matchCriteriaId\":\"0BD6F15A-91DD-4D21-93BA-0E68390F731C\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishi:melsec_iq-r_r01_cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"560D6AFE-4CDC-40D0-8C35-6749375B9B3C\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishi:melsec_iq-r_r02_cpu_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"24\",\"matchCriteriaId\":\"135E6F50-EC7B-4E24-BD8A-5C46CBAF805F\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishi:melsec_iq-r_r02_cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E4D5746A-B9BC-4A4C-AF09-D2B16D54BF4D\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishi:melsec_iq-r_r04_cpu_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"57\",\"matchCriteriaId\":\"374D1183-55DA-4F07-B25C-C6C9B0C45D82\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishi:melsec_iq-r_r04_cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DA6B52DA-0EF4-46BF-A36D-92F717F70987\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishi:melsec_iq-r_r08_cpu_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"57\",\"matchCriteriaId\":\"1585EA5B-07EA-4B80-A731-27C2F8FEB9A6\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishi:melsec_iq-r_r08_cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CF4496AD-1EFC-4B1D-8122-799FA34B40CB\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishi:melsec_iq-r_r120_cpu_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"57\",\"matchCriteriaId\":\"52A74E85-0359-47D8-AC48-19C7AE0D5443\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishi:melsec_iq-r_r120_cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3EB4326B-B4F4-40DD-8220-204D490FFB38\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"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    "redhat_vex": {
      "current_release_date": "2026-03-27T15:01:24+00:00",
      "cve": "CVE-2021-20611",
      "id": "CVE-2021-20611",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-20611",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-20611.json",
      "version": "3"
    }
  }
}



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Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.