{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-33324",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-33324",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2022-12-23T02:24:15.274Z",
    "updatedAt": "2024-09-05T05:25:44.061Z",
    "importedAt": "2026-10-24T01:56:40.826Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Denial-of-Service Vulnerability in Ethernet port of MELSEC iQ-R, iQ-L Series and MELIPC Series",
      "summary": "Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU Firmware versions \"32\" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions \"65\" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R08/16/32/120SFCPU Firmware versions \"29\" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R08/16/32/120PSFCPU Firmware versions \"08\" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R12CCPU-V Firmware versions \"17\" and prior, Mitsubishi Electric Corporation MELSEC iQ-L Series L04/08/16/32HCPU Firmware versions \"05\" and prior and Mitsubishi Electric Corporation MELIPC Series MI5122-VW Firmware versions \"07\" and prior allows a remote unauthenticated attacker to cause a Denial of Service condition in Ethernet communication on the module by sending specially crafted packets. A system reset of the module is required for recovery.",
      "affected": [
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R00CPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"32\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R01CPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"32\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R02CPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"32\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R04CPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R08CPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R16CPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R32CPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R120CPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R04ENCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R08ENCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R16ENCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R32ENCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R120ENCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"65\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R08SFCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"29\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R16SFCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"29\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R32SFCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"29\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R120SFCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"29\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R12CCPU-V",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"17\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-L Series L04HCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"05\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-L Series L08HCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"05\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-L Series L16HCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"05\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-L Series L32HCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"05\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELIPC Series MI5122-VW",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"07\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R08PSFCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"08\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R16PSFCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"08\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R32PSFCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"08\" and prior",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R Series R120PSFCPU",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "Firmware versions \"08\" and prior",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}