GSD-2020-11637

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
A memory leak in the TFTP service in B&R Automation Runtime versions <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition.
Aliases
Aliases
CVE-2020-11637
To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-11637",
    "description": "A memory leak in the TFTP service in B\u0026R Automation Runtime versions \u003cN4.26, \u003cN4.34, \u003cF4.45, \u003cE4.53, \u003cD4.63, \u003cA4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition.",
    "id": "GSD-2020-11637"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-11637"
      ],
      "details": "A memory leak in the TFTP service in B\u0026R Automation Runtime versions \u003cN4.26, \u003cN4.34, \u003cF4.45, \u003cE4.53, \u003cD4.63, \u003cA4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition.",
      "id": "GSD-2020-11637",
      "modified": "2023-12-13T01:22:07.080466Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cybersecurity@ch.abb.com",
        "DATE_PUBLIC": "2020-08-12T00:00:00.000Z",
        "ID": "CVE-2020-11637",
        "STATE": "PUBLIC",
        "TITLE": "Automation Runtime TFTP Service DoS Vulnerability"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Automation Runtime",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_value": "4.1x"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "4.2x",
                          "version_value": "N4.26"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "4.3x",
                          "version_value": "N4.34"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "4.4x",
                          "version_value": "F4.45"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "4.5x",
                          "version_value": "E4.53"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "4.6x",
                          "version_value": "D4.63"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "4.7x",
                          "version_value": "A4.73"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "B\u0026R"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A memory leak in the TFTP service in B\u0026R Automation Runtime versions \u003cN4.26, \u003cN4.34, \u003cF4.45, \u003cE4.53, \u003cD4.63, \u003cA4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "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:L",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-401 Improper Release of Memory Before Removing Last Reference"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf",
            "refsource": "MISC",
            "url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.10",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "n4.26",
                "versionStartIncluding": "4.20",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "f4.45",
                "versionStartIncluding": "4.40",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "e4.53",
                "versionStartIncluding": "4.50",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "d4.63",
                "versionStartIncluding": "4.60",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "a4.73",
                "versionStartIncluding": "4.70",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "n4.34",
                "versionStartIncluding": "4.30",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cybersecurity@ch.abb.com",
          "ID": "CVE-2020-11637"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A memory leak in the TFTP service in B\u0026R Automation Runtime versions \u003cN4.26, \u003cN4.34, \u003cF4.45, \u003cE4.53, \u003cD4.63, \u003cA4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-401"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "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": "2021-09-14T17:36Z",
      "publishedDate": "2020-10-15T16:15Z"
    }
  }
}


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  • 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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