Vulnerability-Lookup

VAR-202012-0104

Vulnerability from variot - Updated: 2024-11-23 22:16

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. Phoenix Contact PLCnext Control The device contains an input verification vulnerability.Denial of service (DoS) It may be put into a state

Show details on source website

JSON

To clipboard

{
  "@context": {
    "@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
    "affected_products": {
      "@id": "https://www.variotdbs.pl/ref/affected_products"
    },
    "configurations": {
      "@id": "https://www.variotdbs.pl/ref/configurations"
    },
    "credits": {
      "@id": "https://www.variotdbs.pl/ref/credits"
    },
    "cvss": {
      "@id": "https://www.variotdbs.pl/ref/cvss/"
    },
    "description": {
      "@id": "https://www.variotdbs.pl/ref/description/"
    },
    "exploit_availability": {
      "@id": "https://www.variotdbs.pl/ref/exploit_availability/"
    },
    "external_ids": {
      "@id": "https://www.variotdbs.pl/ref/external_ids/"
    },
    "iot": {
      "@id": "https://www.variotdbs.pl/ref/iot/"
    },
    "iot_taxonomy": {
      "@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
    },
    "patch": {
      "@id": "https://www.variotdbs.pl/ref/patch/"
    },
    "problemtype_data": {
      "@id": "https://www.variotdbs.pl/ref/problemtype_data/"
    },
    "references": {
      "@id": "https://www.variotdbs.pl/ref/references/"
    },
    "sources": {
      "@id": "https://www.variotdbs.pl/ref/sources/"
    },
    "sources_release_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_release_date/"
    },
    "sources_update_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_update_date/"
    },
    "threat_type": {
      "@id": "https://www.variotdbs.pl/ref/threat_type/"
    },
    "title": {
      "@id": "https://www.variotdbs.pl/ref/title/"
    },
    "type": {
      "@id": "https://www.variotdbs.pl/ref/type/"
    }
  },
  "@id": "https://www.variotdbs.pl/vuln/VAR-202012-0104",
  "affected_products": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/affected_products#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "model": "plcnext",
        "scope": "lt",
        "trust": 1.0,
        "vendor": "phoenixcontact",
        "version": "2021.0"
      },
      {
        "model": "plcnext",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "phoenix contact",
        "version": null
      },
      {
        "model": "plcnext",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "phoenix contact",
        "version": "plcnext  firmware  2021.0 lts"
      },
      {
        "model": "contact phoenix contact plcnext control devices lts",
        "scope": "lt",
        "trust": 0.6,
        "vendor": "phoenix",
        "version": "2021.0"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      },
      {
        "db": "NVD",
        "id": "CVE-2020-12521"
      }
    ]
  },
  "cve": "CVE-2020-12521",
  "cvss": {
    "@context": {
      "cvssV2": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
      },
      "cvssV3": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
      },
      "severity": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/cvss/severity#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/severity"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "cvssV2": [
          {
            "accessComplexity": "LOW",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "NONE",
            "author": "nvd@nist.gov",
            "availabilityImpact": "COMPLETE",
            "baseScore": 6.1,
            "confidentialityImpact": "NONE",
            "exploitabilityScore": 6.5,
            "id": "CVE-2020-12521",
            "impactScore": 6.9,
            "integrityImpact": "NONE",
            "severity": "MEDIUM",
            "trust": 1.8,
            "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          {
            "accessComplexity": "LOW",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "NONE",
            "author": "CNVD",
            "availabilityImpact": "COMPLETE",
            "baseScore": 6.1,
            "confidentialityImpact": "NONE",
            "exploitabilityScore": 6.5,
            "id": "CNVD-2021-07250",
            "impactScore": 6.9,
            "integrityImpact": "NONE",
            "severity": "MEDIUM",
            "trust": 0.6,
            "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          }
        ],
        "cvssV3": [
          {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT",
            "author": "nvd@nist.gov",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "exploitabilityScore": 2.8,
            "id": "CVE-2020-12521",
            "impactScore": 3.6,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "trust": 2.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          {
            "attackComplexity": "Low",
            "attackVector": "Adjacent Network",
            "author": "OTHER",
            "availabilityImpact": "High",
            "baseScore": 6.5,
            "baseSeverity": "Medium",
            "confidentialityImpact": "None",
            "exploitabilityScore": null,
            "id": "JVNDB-2020-014823",
            "impactScore": null,
            "integrityImpact": "None",
            "privilegesRequired": "None",
            "scope": "Unchanged",
            "trust": 0.8,
            "userInteraction": "None",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        ],
        "severity": [
          {
            "author": "nvd@nist.gov",
            "id": "CVE-2020-12521",
            "trust": 1.0,
            "value": "MEDIUM"
          },
          {
            "author": "info@cert.vde.com",
            "id": "CVE-2020-12521",
            "trust": 1.0,
            "value": "MEDIUM"
          },
          {
            "author": "NVD",
            "id": "CVE-2020-12521",
            "trust": 0.8,
            "value": "Medium"
          },
          {
            "author": "CNVD",
            "id": "CNVD-2021-07250",
            "trust": 0.6,
            "value": "MEDIUM"
          },
          {
            "author": "CNNVD",
            "id": "CNNVD-202012-1265",
            "trust": 0.6,
            "value": "MEDIUM"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202012-1265"
      },
      {
        "db": "NVD",
        "id": "CVE-2020-12521"
      },
      {
        "db": "NVD",
        "id": "CVE-2020-12521"
      }
    ]
  },
  "description": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/description#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "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. Phoenix Contact PLCnext Control The device contains an input verification vulnerability.Denial of service (DoS) It may be put into a state",
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2020-12521"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      },
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      }
    ],
    "trust": 2.16
  },
  "external_ids": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/external_ids#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "db": "NVD",
        "id": "CVE-2020-12521",
        "trust": 3.0
      },
      {
        "db": "CERT@VDE",
        "id": "VDE-2020-049",
        "trust": 2.4
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2020-014823",
        "trust": 0.8
      },
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250",
        "trust": 0.6
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202012-1265",
        "trust": 0.6
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202012-1265"
      },
      {
        "db": "NVD",
        "id": "CVE-2020-12521"
      }
    ]
  },
  "id": "VAR-202012-0104",
  "iot": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": true,
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      }
    ],
    "trust": 1.13333336
  },
  "iot_taxonomy": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot_taxonomy#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "category": [
          "ICS"
        ],
        "sub_category": null,
        "trust": 0.6
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      }
    ]
  },
  "last_update_date": "2024-11-23T22:16:12.125000Z",
  "patch": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/patch#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "title": "Top\u00a0Page",
        "trust": 0.8,
        "url": "https://www.phoenixcontact.com/"
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      }
    ]
  },
  "problemtype_data": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "problemtype": "CWE-20",
        "trust": 1.0
      },
      {
        "problemtype": "Incorrect input confirmation (CWE-20) [NVD Evaluation ]",
        "trust": 0.8
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      },
      {
        "db": "NVD",
        "id": "CVE-2020-12521"
      }
    ]
  },
  "references": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/references#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "trust": 2.4,
        "url": "https://cert.vde.com/en-us/advisories/vde-2020-049"
      },
      {
        "trust": 2.0,
        "url": "https://nvd.nist.gov/vuln/detail/cve-2020-12521"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202012-1265"
      },
      {
        "db": "NVD",
        "id": "CVE-2020-12521"
      }
    ]
  },
  "sources": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202012-1265"
      },
      {
        "db": "NVD",
        "id": "CVE-2020-12521"
      }
    ]
  },
  "sources_release_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2021-01-28T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      },
      {
        "date": "2021-09-01T00:00:00",
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      },
      {
        "date": "2020-12-17T00:00:00",
        "db": "CNNVD",
        "id": "CNNVD-202012-1265"
      },
      {
        "date": "2020-12-17T23:15:13.137000",
        "db": "NVD",
        "id": "CVE-2020-12521"
      }
    ]
  },
  "sources_update_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2021-01-28T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      },
      {
        "date": "2021-09-01T04:53:00",
        "db": "JVNDB",
        "id": "JVNDB-2020-014823"
      },
      {
        "date": "2020-12-24T00:00:00",
        "db": "CNNVD",
        "id": "CNNVD-202012-1265"
      },
      {
        "date": "2024-11-21T04:59:51.477000",
        "db": "NVD",
        "id": "CVE-2020-12521"
      }
    ]
  },
  "threat_type": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/threat_type#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "remote or local",
    "sources": [
      {
        "db": "CNNVD",
        "id": "CNNVD-202012-1265"
      }
    ],
    "trust": 0.6
  },
  "title": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/title#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "Phoenix Contact PLCnext Control Devices input validation error vulnerability",
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2021-07250"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202012-1265"
      }
    ],
    "trust": 1.2
  },
  "type": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/type#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "input validation error",
    "sources": [
      {
        "db": "CNNVD",
        "id": "CNNVD-202012-1265"
      }
    ],
    "trust": 0.6
  }
}

CVE-2020-12521 (GCVE-0-2020-12521)

Vulnerability from cvelistv5 – Published: 2020-12-17 22:43 – Updated: 2024-09-17 04:14

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.

Summary

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-20 - Improper Input Validation

Assigner

CERTVDE CNA under the icscert root

CNA scorecard B 76/100 over 143 records in the last 180 days details

References

1 reference

URL	Tags
https://cert.vde.com/en-us/advisories/vde-2020-049	x_refsource_CONFIRM

Impacted products

6 products

Vendor	Product	Version
Phoenix Contact	AXC F 1152 (1151412)	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	AXC F 2152 (2404267)	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	AXC F 3152 (1069208)	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	RFC 4072S (1051328	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	AXC F 2152 Starterkit (1046568)	Affected: unspecified , < 2021.0 LTS (custom)
Phoenix Contact	PLCnext Technology Starterkit (1188165)	Affected: unspecified , < 2021.0 LTS (custom)

Date Public

2020-12-17 00:00

Credits

Phoenix Contact reported to CERT@VDE

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T11:56:52.105Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert.vde.com/en-us/advisories/vde-2020-049"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "AXC F 1152 (1151412)",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "2021.0 LTS",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "AXC F 2152 (2404267)",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "2021.0 LTS",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "AXC F 3152 (1069208)",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "2021.0 LTS",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "RFC 4072S (1051328",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "2021.0 LTS",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "AXC F 2152 Starterkit (1046568)",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "2021.0 LTS",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "PLCnext Technology Starterkit (1188165)",
          "vendor": "Phoenix Contact",
          "versions": [
            {
              "lessThan": "2021.0 LTS",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Phoenix Contact reported to CERT@VDE"
        }
      ],
      "datePublic": "2020-12-17T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-17T22:43:14.000Z",
        "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
        "shortName": "CERTVDE"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert.vde.com/en-us/advisories/vde-2020-049"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities."
        }
      ],
      "source": {
        "advisory": "VDE-2020-049",
        "defect": [
          "VDE-2020-049"
        ],
        "discovery": "EXTERNAL"
      },
      "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.",
      "workarounds": [
        {
          "lang": "en",
          "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."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "AKA": "",
          "ASSIGNER": "info@cert.vde.com",
          "DATE_PUBLIC": "2020-12-17T09:00:00.000Z",
          "ID": "CVE-2020-12521",
          "STATE": "PUBLIC",
          "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."
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "AXC F 1152 (1151412)",
                      "version": {
                        "version_data": [
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "",
                            "version_value": "2021.0 LTS"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "AXC F 2152 (2404267)",
                      "version": {
                        "version_data": [
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "",
                            "version_value": "2021.0 LTS"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "AXC F 3152 (1069208)",
                      "version": {
                        "version_data": [
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "",
                            "version_value": "2021.0 LTS"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "RFC 4072S (1051328",
                      "version": {
                        "version_data": [
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "",
                            "version_value": "2021.0 LTS"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "AXC F 2152 Starterkit (1046568)",
                      "version": {
                        "version_data": [
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "",
                            "version_value": "2021.0 LTS"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "PLCnext Technology Starterkit (1188165)",
                      "version": {
                        "version_data": [
                          {
                            "platform": "",
                            "version_affected": "\u003c",
                            "version_name": "",
                            "version_value": "2021.0 LTS"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Phoenix Contact"
              }
            ]
          }
        },
        "configuration": [],
        "credit": [
          {
            "lang": "eng",
            "value": "Phoenix Contact reported to CERT@VDE"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "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."
            }
          ]
        },
        "exploit": [],
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20 Improper Input Validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://cert.vde.com/en-us/advisories/vde-2020-049",
              "refsource": "CONFIRM",
              "url": "https://cert.vde.com/en-us/advisories/vde-2020-049"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities."
          }
        ],
        "source": {
          "advisory": "VDE-2020-049",
          "defect": [
            "VDE-2020-049"
          ],
          "discovery": "EXTERNAL"
        },
        "work_around": [
          {
            "lang": "en",
            "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."
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
    "assignerShortName": "CERTVDE",
    "cveId": "CVE-2020-12521",
    "datePublished": "2020-12-17T22:43:14.654Z",
    "dateReserved": "2020-04-30T00:00:00.000Z",
    "dateUpdated": "2024-09-17T04:14:26.064Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted