GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2018-8836 (GCVE-0-2018-8836)

Vulnerability from cvelistv5 – Published: 2018-04-03 13:00 – Updated: 2024-09-17 04:13
VLAI
Summary
Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools. Specially crafted packets may also be sent to Port 2455/TCP/IP, used in Codesys management software, which may result in a denial-of-service condition of communications with commissioning and service tools.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-404 - IMPROPER RESOURCE SHUTDOWN OR RELEASE CWE-404
Assigner
References
Impacted products
Vendor Product Version CPE status
WAGO WAGO 750 Series Affected: 750-880 firmware version 10 and prior
Affected: 750-881 firmware version 10 and prior
Affected: 750-852 firmware version 10 and prior
Affected: 750-882 firmware version 10 and prior
Affected: 750-885 firmware version 10 and prior
Affected: 750-831 firmware version 10 and prior
Affected: 750-889 firmware version 10 and prior
Affected: 750-829 firmware version 10 and prior
guessed Create a notification for this product.
Date Public
2018-03-15 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T07:02:26.244Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "103726",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/103726"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "WAGO 750 Series",
          "vendor": "WAGO",
          "versions": [
            {
              "status": "affected",
              "version": "750-880 firmware version 10 and prior"
            },
            {
              "status": "affected",
              "version": "750-881 firmware version 10 and prior"
            },
            {
              "status": "affected",
              "version": "750-852 firmware version 10 and prior"
            },
            {
              "status": "affected",
              "version": "750-882 firmware version 10 and prior"
            },
            {
              "status": "affected",
              "version": "750-885 firmware version 10 and prior"
            },
            {
              "status": "affected",
              "version": "750-831 firmware version 10 and prior"
            },
            {
              "status": "affected",
              "version": "750-889 firmware version 10 and prior"
            },
            {
              "status": "affected",
              "version": "750-829 firmware version 10 and prior"
            }
          ]
        }
      ],
      "datePublic": "2018-03-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools. Specially crafted packets may also be sent to Port 2455/TCP/IP, used in Codesys management software, which may result in a denial-of-service condition of communications with commissioning and service tools."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-404",
              "description": "IMPROPER RESOURCE SHUTDOWN OR RELEASE CWE-404",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-04-12T09:57:02.000Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "name": "103726",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/103726"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "DATE_PUBLIC": "2018-03-15T00:00:00",
          "ID": "CVE-2018-8836",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "WAGO 750 Series",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "750-880 firmware version 10 and prior"
                          },
                          {
                            "version_value": "750-881 firmware version 10 and prior"
                          },
                          {
                            "version_value": "750-852 firmware version 10 and prior"
                          },
                          {
                            "version_value": "750-882 firmware version 10 and prior"
                          },
                          {
                            "version_value": "750-885 firmware version 10 and prior"
                          },
                          {
                            "version_value": "750-831 firmware version 10 and prior"
                          },
                          {
                            "version_value": "750-889 firmware version 10 and prior"
                          },
                          {
                            "version_value": "750-829 firmware version 10 and prior"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "WAGO"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools. Specially crafted packets may also be sent to Port 2455/TCP/IP, used in Codesys management software, which may result in a denial-of-service condition of communications with commissioning and service tools."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "IMPROPER RESOURCE SHUTDOWN OR RELEASE CWE-404"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "103726",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/103726"
            },
            {
              "name": "https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01",
              "refsource": "MISC",
              "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01"
            },
            {
              "name": "https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE",
              "refsource": "CONFIRM",
              "url": "https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2018-8836",
    "datePublished": "2018-04-03T13:00:00.000Z",
    "dateReserved": "2018-03-20T00:00:00.000Z",
    "dateUpdated": "2024-09-17T04:13:48.585Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2018-8836",
      "date": "2026-09-18",
      "epss": "0.03712",
      "percentile": "0.89249"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "D443B788-5E7F-4B07-ADCE-7B4A5F3D2CE6",
                  "versionEndIncluding": "10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:wago:750-880:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "CFEAC4D9-15CF-44B8-844D-C012AA4637A2",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "015AA9DF-8769-4053-984B-BFD884A80699",
                  "versionEndIncluding": "10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "6FE51647-62C1-4D3C-91FA-13ACA6CD71D2",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "4807A1D3-0154-4CA6-AAAC-DC4A0CCA2A96",
                  "versionEndIncluding": "10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:wago:750-852:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "9D6739E1-EF0B-48EE-90FC-5708756FC362",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "2FC244EF-D2FC-4C1C-AB48-690F5F48CBC8",
                  "versionEndIncluding": "10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:wago:750-882:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "B1379D65-F376-4618-B708-5E59D64C8033",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "51C795D3-6E76-4BDD-BE14-F81D2E2A90EC",
                  "versionEndIncluding": "10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:wago:750-885:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "7712F56E-AEBA-4DE0-9172-26F3D29B369B",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "D018BF5D-8BEA-4A4C-AA10-2CE7F11100BA",
                  "versionEndIncluding": "10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:wago:750-831:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "F0631884-FF6F-4AA9-9D76-CDECB5A738FC",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "442AF102-0892-4715-B23B-9343AC81F7C1",
                  "versionEndIncluding": "10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "57919AAB-2962-4543-810A-C143300351F8",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        },
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "08EE2328-5393-41AF-B27B-2666854A4274",
                  "versionEndIncluding": "10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:wago:750-829:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "F88F6E08-2D1B-4B34-B8DB-40292C0BBEB2",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools. Specially crafted packets may also be sent to Port 2455/TCP/IP, used in Codesys management software, which may result in a denial-of-service condition of communications with commissioning and service tools."
        },
        {
          "lang": "es",
          "value": "Los PLC Wago 750 Series, con versiones de firmware 10 y anteriores, incluyen un ataque remoto que podr\u00eda aprovecharse de una implementaci\u00f3n incorrecta de la negociaci\u00f3n a tres bandas durante una conexi\u00f3n TCP, lo que afecta a las comunicaciones con las herramientas de comisi\u00f3n y servicio. Los paquetes especialmente manipulados tambi\u00e9n podr\u00edan enviarse al puerto 2455/TCP/IP, empleado en el software de gesti\u00f3n Codesys, lo que podr\u00eda resultar en una condici\u00f3n de denegaci\u00f3n de servicio de las comunicaciones con las herramientas de comisi\u00f3n y servicio."
        }
      ],
      "id": "CVE-2018-8836",
      "lastModified": "2024-11-21T04:14:25.160",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "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,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV30": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
              "version": "3.0"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 1.4,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2018-04-03T13:29:00.277",
      "references": [
        {
          "source": "ics-cert@hq.dhs.gov",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securityfocus.com/bid/103726"
        },
        {
          "source": "ics-cert@hq.dhs.gov",
          "tags": [
            "Third Party Advisory",
            "US Government Resource"
          ],
          "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01"
        },
        {
          "source": "ics-cert@hq.dhs.gov",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securityfocus.com/bid/103726"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "US Government Resource"
          ],
          "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE"
        }
      ],
      "sourceIdentifier": "ics-cert@hq.dhs.gov",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-404"
            }
          ],
          "source": "ics-cert@hq.dhs.gov",
          "type": "Secondary"
        },
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-404"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D443B788-5E7F-4B07-ADCE-7B4A5F3D2CE6",
                    "versionEndIncluding": "10",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:wago:750-880:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "CFEAC4D9-15CF-44B8-844D-C012AA4637A2",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "015AA9DF-8769-4053-984B-BFD884A80699",
                    "versionEndIncluding": "10",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:wago:750-881:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6FE51647-62C1-4D3C-91FA-13ACA6CD71D2",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4807A1D3-0154-4CA6-AAAC-DC4A0CCA2A96",
                    "versionEndIncluding": "10",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:wago:750-852:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9D6739E1-EF0B-48EE-90FC-5708756FC362",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2FC244EF-D2FC-4C1C-AB48-690F5F48CBC8",
                    "versionEndIncluding": "10",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:wago:750-882:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B1379D65-F376-4618-B708-5E59D64C8033",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "51C795D3-6E76-4BDD-BE14-F81D2E2A90EC",
                    "versionEndIncluding": "10",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:wago:750-885:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7712F56E-AEBA-4DE0-9172-26F3D29B369B",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "D018BF5D-8BEA-4A4C-AA10-2CE7F11100BA",
                    "versionEndIncluding": "10",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:wago:750-831:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F0631884-FF6F-4AA9-9D76-CDECB5A738FC",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "442AF102-0892-4715-B23B-9343AC81F7C1",
                    "versionEndIncluding": "10",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:wago:750-889:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "57919AAB-2962-4543-810A-C143300351F8",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "08EE2328-5393-41AF-B27B-2666854A4274",
                    "versionEndIncluding": "10",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:wago:750-829:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F88F6E08-2D1B-4B34-B8DB-40292C0BBEB2",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools. Specially crafted packets may also be sent to Port 2455/TCP/IP, used in Codesys management software, which may result in a denial-of-service condition of communications with commissioning and service tools."
          },
          {
            "lang": "es",
            "value": "Los PLC Wago 750 Series, con versiones de firmware 10 y anteriores, incluyen un ataque remoto que podr\u00eda aprovecharse de una implementaci\u00f3n incorrecta de la negociaci\u00f3n a tres bandas durante una conexi\u00f3n TCP, lo que afecta a las comunicaciones con las herramientas de comisi\u00f3n y servicio. Los paquetes especialmente manipulados tambi\u00e9n podr\u00edan enviarse al puerto 2455/TCP/IP, empleado en el software de gesti\u00f3n Codesys, lo que podr\u00eda resultar en una condici\u00f3n de denegaci\u00f3n de servicio de las comunicaciones con las herramientas de comisi\u00f3n y servicio."
          }
        ],
        "id": "CVE-2018-8836",
        "lastModified": "2024-11-21T04:14:25.160",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "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,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 1.4,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2018-04-03T13:29:00.277",
        "references": [
          {
            "source": "ics-cert@hq.dhs.gov",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/103726"
          },
          {
            "source": "ics-cert@hq.dhs.gov",
            "tags": [
              "Third Party Advisory",
              "US Government Resource"
            ],
            "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01"
          },
          {
            "source": "ics-cert@hq.dhs.gov",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/103726"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "US Government Resource"
            ],
            "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-088-01"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.wago.com/medias/Vulnerability-in-the-WAGO-Ethernet-TCP-IP-driver.pdf?context=bWFzdGVyfHJvb3R8MjgxNDk0fGFwcGxpY2F0aW9uL3BkZnxoOTcvaDhkLzkxNTAyMjMyMjA3NjYucGRmfGRlNWQ4ODc0NTE5M2UyNTUwNTIyNDRlOWFkNWI2YjNkMzg0YTVhYzlmYTBjNzM4MDdmNmYzOTM5M2ZlMGEzNzE"
          }
        ],
        "sourceIdentifier": "ics-cert@hq.dhs.gov",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-404"
              }
            ],
            "source": "ics-cert@hq.dhs.gov",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-404"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.