cvelist/2020/12xxx/CVE-2020-12521.json

{
  "data_type": "CVE",
  "data_format": "MITRE",
  "data_version": "4.0",
  "generator": {
    "engine": "Vulnogram 0.0.9"
  },
  "CVE_data_meta": {
    "ID": "CVE-2020-12521",
    "ASSIGNER": "info@cert.vde.com",
    "DATE_PUBLIC": "2020-12-17T09:00:00.000Z",
    "TITLE": "Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: A specially crafted LLDP packet may lead to a high system load in the PROFINET stack.",
    "AKA": "",
    "STATE": "PUBLIC"
  },
  "source": {
    "defect": [
      "VDE-2020-049"
    ],
    "advisory": "VDE-2020-049",
    "discovery": "EXTERNAL"
  },
  "affects": {
    "vendor": {
      "vendor_data": [
        {
          "vendor_name": "Phoenix Contact",
          "product": {
            "product_data": [
              {
                "product_name": "AXC F 1152 (1151412)",
                "version": {
                  "version_data": [
                    {
                      "version_name": "",
                      "version_affected": "<",
                      "version_value": "2021.0 LTS",
                      "platform": ""
                    }
                  ]
                }
              },
              {
                "product_name": "AXC F 2152 (2404267)",
                "version": {
                  "version_data": [
                    {
                      "version_name": "",
                      "version_affected": "<",
                      "version_value": "2021.0 LTS",
                      "platform": ""
                    }
                  ]
                }
              },
              {
                "product_name": "AXC F 3152 (1069208)",
                "version": {
                  "version_data": [
                    {
                      "version_name": "",
                      "version_affected": "<",
                      "version_value": "2021.0 LTS",
                      "platform": ""
                    }
                  ]
                }
              },
              {
                "product_name": "RFC 4072S (1051328",
                "version": {
                  "version_data": [
                    {
                      "version_name": "",
                      "version_affected": "<",
                      "version_value": "2021.0 LTS",
                      "platform": ""
                    }
                  ]
                }
              },
              {
                "product_name": "AXC F 2152 Starterkit (1046568)",
                "version": {
                  "version_data": [
                    {
                      "version_name": "",
                      "version_affected": "<",
                      "version_value": "2021.0 LTS",
                      "platform": ""
                    }
                  ]
                }
              },
              {
                "product_name": "PLCnext Technology Starterkit (1188165)",
                "version": {
                  "version_data": [
                    {
                      "version_name": "",
                      "version_affected": "<",
                      "version_value": "2021.0 LTS",
                      "platform": ""
                    }
                  ]
                }
              }
            ]
          }
        }
      ]
    }
  },
  "problemtype": {
    "problemtype_data": [
      {
        "description": [
          {
            "lang": "eng",
            "value": "CWE-20 Improper Input Validation"
          }
        ]
      }
    ]
  },
  "description": {
    "description_data": [
      {
        "lang": "eng",
        "value": "On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS a specially crafted LLDP packet may lead to a high system load in the PROFINET stack. An attacker can cause failure of system services or a complete reboot."
      }
    ]
  },
  "references": {
    "reference_data": [
      {
        "refsource": "CONFIRM",
        "url": "https://cert.vde.com/en-us/advisories/vde-2020-049",
        "name": "https://cert.vde.com/en-us/advisories/vde-2020-049"
      }
    ]
  },
  "configuration": [],
  "impact": {
    "cvss": {
      "version": "3.1",
      "attackVector": "ADJACENT_NETWORK",
      "attackComplexity": "LOW",
      "privilegesRequired": "NONE",
      "userInteraction": "NONE",
      "scope": "UNCHANGED",
      "confidentialityImpact": "NONE",
      "integrityImpact": "NONE",
      "availabilityImpact": "HIGH",
      "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "baseScore": 6.5,
      "baseSeverity": "MEDIUM"
    }
  },
  "exploit": [],
  "work_around": [
    {
      "lang": "eng",
      "value": "Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to the Phoenix Contact application note."
    }
  ],
  "solution": [
    {
      "lang": "eng",
      "value": "Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities."
    }
  ],
  "credit": [
    {
      "lang": "eng",
      "value": "Phoenix Contact reported to CERT@VDE"
    }
  ]
}