GSD-2021-20988

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
In Hilscher rcX RTOS versions prios to V2.1.14.1 the actual UDP packet length is not verified against the length indicated by the packet. This may lead to a denial of service of the affected device.
Aliases
Aliases
CVE-2021-20988
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-20988",
    "description": "In Hilscher rcX RTOS versions prios to V2.1.14.1 the actual UDP packet length is not verified against the length indicated by the packet. This may lead to a denial of service of the affected device.",
    "id": "GSD-2021-20988"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-20988"
      ],
      "details": "In Hilscher rcX RTOS versions prios to V2.1.14.1 the actual UDP packet length is not verified against the length indicated by the packet. This may lead to a denial of service of the affected device.",
      "id": "GSD-2021-20988",
      "modified": "2023-12-13T01:23:11.893673Z",
      "schema_version": "1.4.0"
    }
  },
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        "DATE_PUBLIC": "2021-02-15T13:00:00.000Z",
        "ID": "CVE-2021-20988",
        "STATE": "PUBLIC",
        "TITLE": "Hilscher rcX RTOS: Wrong handling of the UDP checksum"
      },
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            {
              "product": {
                "product_data": [
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                    "version": {
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                          "version_affected": "\u003c",
                          "version_value": "V2.1.14.1"
                        }
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            },
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                "product_data": [
                  {
                    "product_name": "Ethernet IO Modules ICE1-16",
                    "version": {
                      "version_data": [
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                          "version_affected": "\u003c=",
                          "version_name": "ICE1-16DI-G60L-V1D",
                          "version_value": "F10017"
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                  {
                    "product_name": "Ethernet IO Modules ICE1-8",
                    "version": {
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                          "version_name": "ICE1-8DI8DO-G60L-C1-V1D",
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                        {
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                        {
                          "version_affected": "\u003c=",
                          "version_name": "ICE1-8IOL-G60L-V1D",
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                        {
                          "version_affected": "\u003c=",
                          "version_name": "ICE1-8IOL-S2-G60L-V1D",
                          "version_value": "F10017"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Pepperl+Fuchs"
            }
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      "data_type": "CVE",
      "data_version": "4.0",
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          {
            "lang": "eng",
            "value": "In Hilscher rcX RTOS versions prios to V2.1.14.1 the actual UDP packet length is not verified against the length indicated by the packet. This may lead to a denial of service of the affected device."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
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        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
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                "value": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer"
              }
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          }
        ]
      },
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          {
            "name": "https://kb.hilscher.com/display/ISMS/2019-04-10+Wrong+handling+of+the+UDP+checksum",
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          },
          {
            "name": "https://cert.vde.com/de-de/advisories/vde-2021-018",
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            "url": "https://cert.vde.com/de-de/advisories/vde-2021-018"
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        "defect": [
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        "discovery": "UNKNOWN"
      }
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            "accessVector": "NETWORK",
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      "lastModifiedDate": "2021-09-09T12:51Z",
      "publishedDate": "2021-05-13T14:15Z"
    }
  }
}


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  • 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.
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Detection rules are retrieved from Rulezet.