{"containers": {"cna": {"affected": [{"product": "Omron PLC CJ Series", "vendor": "n/a", "versions": [{"status": "affected", "version": "all versions"}]}], "descriptions": [{"lang": "en", "value": "In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "UNCONTROLLED RESOURCE CONSUMPTION CWE-400", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-03-05T20:05:05.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "ID": "CVE-2020-6986", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Omron PLC CJ Series", "version": {"version_data": [{"version_value": "all versions"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "UNCONTROLLED RESOURCE CONSUMPTION CWE-400"}]}]}, "references": {"reference_data": [{"name": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03", "refsource": "MISC", "url": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:18:02.467Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03"}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-02T19:51:15.358862Z", "id": "CVE-2020-6986", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-02T19:52:04.759Z"}}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2020-6986", "datePublished": "2020-03-05T20:05:05.000Z", "dateReserved": "2020-01-14T00:00:00.000Z", "dateUpdated": "2026-06-02T19:52:04.759Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:18:02.467Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2020-6986", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-02T19:51:15.358862Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-02T19:51:09.843Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "Omron PLC CJ Series", "versions": [{"status": "affected", "version": "all versions"}]}], "references": [{"url": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "UNCONTROLLED RESOURCE CONSUMPTION CWE-400"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2020-03-05T20:05:05.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "all versions"}]}, "product_name": "Omron PLC CJ Series"}]}, "vendor_name": "n/a"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03", "name": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "UNCONTROLLED RESOURCE CONSUMPTION CWE-400"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-6986", "STATE": "PUBLIC", "ASSIGNER": "ics-cert@hq.dhs.gov"}}}}, "cveMetadata": {"cveId": "CVE-2020-6986", "state": "PUBLISHED", "dateUpdated": "2026-06-02T19:52:04.759Z", "dateReserved": "2020-01-14T00:00:00.000Z", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "datePublished": "2020-03-05T20:05:05.000Z", "assignerShortName": "icscert"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:omron:plc_cj1_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D0B96FC0-A8AC-4AB8-BE27-49BF58E51C21", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:omron:plc_cj1:-:*:*:*:*:*:*:*", "matchCriteriaId": "226EF09B-E67A-4AC4-81F1-38D16946FBD9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:omron:plc_cj2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CD9D412C-23D5-45B6-A97D-9DC6A7179819", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:omron:plc_cj2:-:*:*:*:*:*:*:*", "matchCriteriaId": "7A3BA17B-E014-49B9-959E-9C0F4C4F2DFC", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In all versions of Omron PLC CJ Series, an attacker can send a series of specific data packets within a short period, causing a service error on the PLC Ethernet module, which in turn causes a PLC service denied result."}, {"lang": "es", "value": "En todas las versiones de Omron PLC CJ Series, un atacante puede enviar una serie de paquetes de datos espec\u00edficos dentro de un per\u00edodo corto de tiempo, causando un error de servicio en el m\u00f3dulo Ethernet del PLC, lo que a su vez causa un resultado de denegaci\u00f3n de servicio del PLC."}], "id": "CVE-2020-6986", "lastModified": "2026-06-02T21:16:24.490", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2020-03-05T21:15:10.673", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Mitigation", "Third Party Advisory", "US Government Resource"], "url": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Third Party Advisory", "US Government Resource"], "url": "https://www.us-cert.gov/ics/advisories/icsa-20-063-03"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}