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

Vulnerability from cvelistv5 – Published: 2020-12-17 22:43 – Updated: 2024-09-17 04:14
VLAI
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
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.
CWE
  • CWE-20 - Improper Input Validation
References
Impacted products
Vendor Product Version CPE status
Phoenix Contact AXC F 1152 (1151412) Affected: unspecified , < 2021.0 LTS (custom)
guessed Create a notification for this product.
Phoenix Contact AXC F 2152 (2404267) Affected: unspecified , < 2021.0 LTS (custom)
guessed Create a notification for this product.
Phoenix Contact AXC F 3152 (1069208) Affected: unspecified , < 2021.0 LTS (custom)
guessed Create a notification for this product.
Phoenix Contact RFC 4072S (1051328 Affected: unspecified , < 2021.0 LTS (custom)
guessed Create a notification for this product.
Phoenix Contact AXC F 2152 Starterkit (1046568) Affected: unspecified , < 2021.0 LTS (custom)
guessed Create a notification for this product.
Phoenix Contact PLCnext Technology Starterkit (1188165) Affected: unspecified , < 2021.0 LTS (custom)
guessed Create a notification for this product.
Date Public
2020-12-17 00:00
Show details on NVD website

{
  "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",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-12521",
      "date": "2026-09-21",
      "epss": "0.00459",
      "percentile": "0.38987"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*",
                    "matchCriteriaId": "8233F8C3-5D10-4FD6-B192-39535B7B464C",
                    "versionEndExcluding": "2021.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:phoenixcontact:axc_f_1152:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A2474BD7-C447-4E07-A628-C729E376943D",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*",
                    "matchCriteriaId": "8233F8C3-5D10-4FD6-B192-39535B7B464C",
                    "versionEndExcluding": "2021.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:phoenixcontact:axc_f_2152:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "AE2E6118-6587-444A-A143-9C3A1E6ED4FD",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*",
                    "matchCriteriaId": "8233F8C3-5D10-4FD6-B192-39535B7B464C",
                    "versionEndExcluding": "2021.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:phoenixcontact:axc_f_3152:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "57424998-4EAB-4682-BFC4-1D2A621514F4",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*",
                    "matchCriteriaId": "8233F8C3-5D10-4FD6-B192-39535B7B464C",
                    "versionEndExcluding": "2021.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:phoenixcontact:rfc_4072s:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0BF1EAD1-7C19-4A6E-BF87-EF3F7E526BD6",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*",
                    "matchCriteriaId": "8233F8C3-5D10-4FD6-B192-39535B7B464C",
                    "versionEndExcluding": "2021.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:phoenixcontact:axc_f_2152_starterkit:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "079A104B-2016-4830-80C1-3AB969106649",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:phoenixcontact:plcnext_firmware:*:*:*:*:long_term_support:*:*:*",
                    "matchCriteriaId": "8233F8C3-5D10-4FD6-B192-39535B7B464C",
                    "versionEndExcluding": "2021.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:phoenixcontact:plcnext_technology_starterkit:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "12BDD2FE-0D7C-4868-A5E4-B1004A5C217D",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "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."
          },
          {
            "lang": "es",
            "value": "En Phoenix Contact PLCnext Control Devices versiones anteriores a 2021.0 LTS, un paquete LLDP especialmente dise\u00f1ado puede conllevar a una alta carga del sistema en la pila PROFINET.\u0026#xa0;Un atacante puede causar un fallo en los servicios del sistema o un reinicio completo"
          }
        ],
        "id": "CVE-2020-12521",
        "lastModified": "2024-11-21T04:59:51.477",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "ADJACENT_NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 6.1,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 6.5,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "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"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "info@cert.vde.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "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"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2020-12-17T23:15:13.137",
        "references": [
          {
            "source": "info@cert.vde.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://cert.vde.com/en-us/advisories/vde-2020-049"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://cert.vde.com/en-us/advisories/vde-2020-049"
          }
        ],
        "sourceIdentifier": "info@cert.vde.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "info@cert.vde.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…