GSD-2021-37204

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packet over port 102/tcp. A restart of the affected device is needed to restore normal operations.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-37204",
    "description": "A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003e= V4.5.0 \u003c V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003e= V2.9.2 \u003c V2.9.4), SIMATIC S7-1500 Software Controller (All versions), SIMATIC S7-PLCSIM Advanced (All versions), TIM 1531 IRC (incl. SIPLUS NET variants) (All versions \u003e= V2.2). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packet over port 102/tcp. A restart of the affected device is needed to restore normal operations.",
    "id": "GSD-2021-37204"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-37204"
      ],
      "details": "A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2), SIMATIC Drive Controller family (All versions \u003e= V2.9.2 \u003c V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions \u003c V21.9), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions \u003e= V21.9 \u003c V21.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.5.0), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003e= V4.5.0 \u003c V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003c V2.9.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003e= V2.9.2 \u003c V2.9.4), SIMATIC S7-1500 Software Controller (All versions \u003c V21.9), SIMATIC S7-1500 Software Controller (All versions \u003e= V21.9 \u003c V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions \u003c V4.0), SIMATIC S7-PLCSIM Advanced (All versions \u003e= V4.0 \u003c V4.0 SP1), SIPLUS TIM 1531 IRC (All versions \u003c V2.3.6), TIM 1531 IRC (All versions \u003c V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packet over port 102/tcp. A restart of the affected device is needed to restore normal operations.",
      "id": "GSD-2021-37204",
      "modified": "2023-12-13T01:23:09.899064Z",
      "schema_version": "1.4.0"
    }
  },
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        "ASSIGNER": "productcert@siemens.com",
        "ID": "CVE-2021-37204",
        "STATE": "PUBLIC"
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      "affects": {
        "vendor": {
          "vendor_data": [
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              "product": {
                "product_data": [
                  {
                    "product_name": "SIMATIC Drive Controller family",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003c V2.9.2"
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                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003e= V2.9.2 \u003c V2.9.4"
                        }
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                    }
                  },
                  {
                    "product_name": "SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions"
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                      ]
                    }
                  },
                  {
                    "product_name": "SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003c V21.9"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003e= V21.9 \u003c V21.9.4"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions"
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                      ]
                    }
                  },
                  {
                    "product_name": "SIMATIC S7-1200 CPU family (incl. SIPLUS variants)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003c V4.5.0"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003e= V4.5.0 \u003c V4.5.2"
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                      ]
                    }
                  },
                  {
                    "product_name": "SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003c V2.9.2"
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                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003e= V2.9.2 \u003c V2.9.4"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "SIMATIC S7-1500 Software Controller",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003c V21.9"
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                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003e= V21.9 \u003c V21.9.4"
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                      ]
                    }
                  },
                  {
                    "product_name": "SIMATIC S7-PLCSIM Advanced",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003c V4.0"
                        },
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003e= V4.0 \u003c V4.0 SP1"
                        }
                      ]
                    }
                  },
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                    "product_name": "SIPLUS TIM 1531 IRC",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003c V2.3.6"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "TIM 1531 IRC",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "All versions \u003c V2.3.6"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Siemens"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2), SIMATIC Drive Controller family (All versions \u003e= V2.9.2 \u003c V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions \u003c V21.9), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions \u003e= V21.9 \u003c V21.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.5.0), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003e= V4.5.0 \u003c V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003c V2.9.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003e= V2.9.2 \u003c V2.9.4), SIMATIC S7-1500 Software Controller (All versions \u003c V21.9), SIMATIC S7-1500 Software Controller (All versions \u003e= V21.9 \u003c V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions \u003c V4.0), SIMATIC S7-PLCSIM Advanced (All versions \u003e= V4.0 \u003c V4.0 SP1), SIPLUS TIM 1531 IRC (All versions \u003c V2.3.6), TIM 1531 IRC (All versions \u003c V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packet over port 102/tcp. A restart of the affected device is needed to restore normal operations."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
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      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
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                "cweId": "CWE-672",
                "lang": "eng",
                "value": "CWE-672: Operation on a Resource after Expiration or Release"
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            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf",
            "refsource": "MISC",
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf"
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      }
    },
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      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2021-37204"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V2.9.2), SIMATIC Drive Controller family (All versions \u003e= V2.9.2 \u003c V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions \u003c V21.9), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions \u003e= V21.9 \u003c V21.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 Ready4Linux (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.5.0), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003e= V4.5.0 \u003c V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003c V2.9.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003e= V2.9.2 \u003c V2.9.4), SIMATIC S7-1500 Software Controller (All versions \u003c V21.9), SIMATIC S7-1500 Software Controller (All versions \u003e= V21.9 \u003c V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions \u003c V4.0), SIMATIC S7-PLCSIM Advanced (All versions \u003e= V4.0 \u003c V4.0 SP1), SIPLUS TIM 1531 IRC (All versions \u003c V2.3.6), TIM 1531 IRC (All versions \u003c V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packet over port 102/tcp. A restart of the affected device is needed to restore normal operations."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-672"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-04-11T10:15Z",
      "publishedDate": "2022-02-09T16:15Z"
    }
  }
}


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Sightings

Author Source Type Date

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.


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Detection rules are retrieved from Rulezet.

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