{
  "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-2019-10923",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2019-10923",
    "idYear": 2019,
    "status": "PUBLISHED",
    "publishedAt": "2019-10-10T13:49:24.000Z",
    "updatedAt": "2025-02-11T10:26:23.281Z",
    "importedAt": "2026-10-24T01:56:04.670Z",
    "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": null,
      "summary": "An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation.",
      "affected": [
        {
          "vendor": "Siemens",
          "product": "Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V4.1.1 Patch 05",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V4.5.0 Patch 01",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V4.5.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SCALANCE X-200IRT family (incl. SIPLUS NET variants)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V5.2.1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC CP 1604",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V2.8",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC CP 1616",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V2.8",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200M (incl. SIPLUS variants)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200MP IM 155-5 PN HF",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.2.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200MP IM 155-5 PN ST",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.1.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200pro IM 154-3 PN HF",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "*"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200pro IM 154-4 PN HF",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "*"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200pro IM 154-8 PN/DP CPU",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200pro IM 154-8F PN/DP CPU",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200pro IM 154-8FX PN/DP CPU",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200S IM 151-8 PN/DP CPU",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200S IM 151-8F PN/DP CPU",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200SP IM 155-6 PN HF",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.2.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200SP IM 155-6 PN ST",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.1.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET 200SP IM 155-6 PN ST BA",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.1.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 16DI, DC24V, 8xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 16DO DC24V/1,3A, 8xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 4AO U/I 4xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 8 DIO, DC24V/1,3A, 8xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 8 DO, DC24V/2A, 8xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 8AI RTD/TC 8xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 8AI; 4 U/I; 4 RTD/TC 8xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 8DI, DC24V, 4xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 8DI, DC24V, 8xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 8DO, DC24V/0,5A, 4xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 4xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN, 8DO, DC24V/1,3A, 8xM12",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200ecoPN: IO-Link Master",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC ET200S (incl. SIPLUS variants)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC PN/PN Coupler (incl. SIPLUS NET variants)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 314C-2 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 315-2 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 315F-2 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 315T-3 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 317-2 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 317F-2 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 317T-3 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 317TF-3 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 319-3 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-300 CPU 319F-3 PN/DP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-400 CPU 412-2 PN V7",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V7.0.3"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-400 CPU 414-3 PN/DP V7",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V7.0.3"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-400 CPU 414F-3 PN/DP V7",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V7.0.3"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-400 CPU 416-3 PN/DP V7",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V7.0.3"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-400 CPU 416F-3 PN/DP V7",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V7.0.3"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "*"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC WinAC RTX 2010",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V2010 SP3",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMATIC WinAC RTX F 2010",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V2010 SP3",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIMOTION",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS DCM",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V1.5 HF1",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS DCP",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V1.3",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS G110M V4.7 Control Unit",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V4.7 SP10 HF5",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS G120 V4.7 Control Unit (incl. SIPLUS variants)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V4.7 SP10 HF5",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS G130",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.7 HF29"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS G150",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.7 HF29"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS GH150 V4.7 Control Unit",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS GL150 V4.7 Control Unit",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS GM150 V4.7 Control Unit",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS S110 Control Unit",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS S120 V4.7 Control Unit and CBE20 (incl. SIPLUS variants)",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V4.7 HF34",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS S150",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.7 HF29"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS SL150 V4.7 Control Unit",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V4.7 HF33",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINAMICS SM120 V4.7 Control Unit",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINUMERIK 828D",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V4.8 SP5",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SINUMERIK 840D sl",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V4.8 SP5",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIPLUS ET 200MP IM 155-5 PN HF",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.2.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIPLUS ET 200MP IM 155-5 PN HF",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.2.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIPLUS ET 200MP IM 155-5 PN HF T1 RAIL",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.2.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIPLUS ET 200MP IM 155-5 PN ST",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.1.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIPLUS ET 200MP IM 155-5 PN ST TX RAIL",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "V4.1.0"
            }
          ]
        },
        {
          "vendor": "Siemens",
          "product": "SIPLUS ET 200S IM 151-8 PN/DP CPU",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "All versions < V3.2.17",
              "status": "affected"
            }
          ]
        },
        {
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              "version": "All versions < V3.2.17",
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          "vendor": "Siemens",
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          "vendor": "Siemens",
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          "vendor": "Siemens",
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          "vendor": "Siemens",
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        {
          "vendor": "Siemens",
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            {
              "version": "0",
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        {
          "vendor": "Siemens",
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              "version": "All versions < V3.3.17",
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        {
          "vendor": "Siemens",
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              "version": "All versions < V3.2.17",
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        {
          "vendor": "Siemens",
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        {
          "vendor": "Siemens",
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              "version": "All versions < V3.2.17",
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        {
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              "version": "All versions < V3.2.17",
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        {
          "vendor": "Siemens",
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              "version": "0",
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    }
  }
}