{
  "GSD": {
    "alias": "CVE-2021-34586",
    "description": "In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.",
    "id": "GSD-2021-34586"
  },
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    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "id": "GSD-2021-34586",
      "modified": "2023-12-13T01:23:14.677400Z",
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        "DATE_PUBLIC": "2021-10-25T14:00:00.000Z",
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        "STATE": "PUBLIC",
        "TITLE": "CODESYS V2 web server: crafted requests could trigger a null pointer dereference (DoS)"
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                          "version_affected": "\u003c",
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          "baseScore": 7.5,
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        "reference_data": [
          {
            "name": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=16876\u0026token=a3f1d937f95e7034879f4f2ea8e5a99b168256a7\u0026download=",
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          "lang": "eng",
          "value": "CODESYS GmbH has released version V1.1.9.22 of the CODESYS V2 web server to solve the noted vulnerability issues. This version of the CODESYS V2 web server is also part of the CODESYS Development System setup version V2.3.9.68."
        }
      ],
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        "discovery": "EXTERNAL"
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
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            "version": "2.0"
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          "exploitabilityScore": 10.0,
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          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
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      "lastModifiedDate": "2021-10-28T18:01Z",
      "publishedDate": "2021-10-26T10:15Z"
    }
  }
}