Search

Find a vulnerability

Search criteria

    2 vulnerabilities found for CODESYS EtherNetIP by CODESYS

    CVE-2026-35225 (GCVE-0-2026-35225)

    Vulnerability from nvd – Published: 2026-04-23 13:54 – Updated: 2026-04-23 15:35
    VLAI
    Title
    Improper timeout handling in CODESYS EtherNetIP
    Summary
    An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-754 - Improper Check for Unusual or Exceptional Conditions
    Assigner
    Impacted products
    Vendor Product Version
    CODESYS CODESYS EtherNetIP Affected: 1.0.0.0 , < 4.9.0.0 (custom)
    Create a notification for this product.
    Credits
    ABB
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-35225",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-04-23T15:35:35.243946Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-04-23T15:35:43.352Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "CODESYS EtherNetIP",
              "vendor": "CODESYS",
              "versions": [
                {
                  "lessThan": "4.9.0.0",
                  "status": "affected",
                  "version": "1.0.0.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:a:codesys:codesys_ethernetip:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.9.0.0",
                      "versionStartIncluding": "1.0.0.0",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ],
              "operator": "OR"
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "reporter",
              "value": "ABB"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections."
                }
              ],
              "value": "An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "baseScore": 8.7,
                "baseSeverity": "HIGH",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-754",
                  "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-23T13:54:51.863Z",
            "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
            "shortName": "CERTVDE"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://codesys.csaf-tp.certvde.com/.well-known/csaf/white/2026/advisory2026-04_vde-2026-040.json"
            },
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://www.certvde.com/en/advisories/VDE-2026-040/"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Improper timeout handling in CODESYS EtherNetIP",
          "x_generator": {
            "engine": "Vulnogram 0.4.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
        "assignerShortName": "CERTVDE",
        "cveId": "CVE-2026-35225",
        "datePublished": "2026-04-23T13:54:51.863Z",
        "dateReserved": "2026-04-01T19:54:21.499Z",
        "dateUpdated": "2026-04-23T15:35:43.352Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-35225 (GCVE-0-2026-35225)

    Vulnerability from cvelistv5 – Published: 2026-04-23 13:54 – Updated: 2026-04-23 15:35
    VLAI
    Title
    Improper timeout handling in CODESYS EtherNetIP
    Summary
    An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-754 - Improper Check for Unusual or Exceptional Conditions
    Assigner
    Impacted products
    Vendor Product Version
    CODESYS CODESYS EtherNetIP Affected: 1.0.0.0 , < 4.9.0.0 (custom)
    Create a notification for this product.
    Credits
    ABB
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-35225",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-04-23T15:35:35.243946Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-04-23T15:35:43.352Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "CODESYS EtherNetIP",
              "vendor": "CODESYS",
              "versions": [
                {
                  "lessThan": "4.9.0.0",
                  "status": "affected",
                  "version": "1.0.0.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:a:codesys:codesys_ethernetip:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.9.0.0",
                      "versionStartIncluding": "1.0.0.0",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ],
              "operator": "OR"
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "reporter",
              "value": "ABB"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections."
                }
              ],
              "value": "An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new connections."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "baseScore": 8.7,
                "baseSeverity": "HIGH",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-754",
                  "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-23T13:54:51.863Z",
            "orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
            "shortName": "CERTVDE"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://codesys.csaf-tp.certvde.com/.well-known/csaf/white/2026/advisory2026-04_vde-2026-040.json"
            },
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://www.certvde.com/en/advisories/VDE-2026-040/"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Improper timeout handling in CODESYS EtherNetIP",
          "x_generator": {
            "engine": "Vulnogram 0.4.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
        "assignerShortName": "CERTVDE",
        "cveId": "CVE-2026-35225",
        "datePublished": "2026-04-23T13:54:51.863Z",
        "dateReserved": "2026-04-01T19:54:21.499Z",
        "dateUpdated": "2026-04-23T15:35:43.352Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }