CVE-2019-18261

{"containers": {"cna": {"affected": [{"product": "Omron PLC CJ, CS and NJ Series", "vendor": "n/a", "versions": [{"status": "affected", "version": "Omron PLC CS series, all versions, Omron PLC CJ series, all versions, Omron PLC NJ series, all versions"}]}], "descriptions": [{"lang": "en", "value": "In Omron PLC CS series, all versions, Omron PLC CJ series, all versions, and Omron PLC NJ series, all versions, the software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-307", "description": "IMPROPER RESTRICTION OF EXCESSIVE AUTHENTICATION ATTEMPTS CWE-307", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2019-12-16T19:27:58.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-03"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "ID": "CVE-2019-18261", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Omron PLC CJ, CS and NJ Series", "version": {"version_data": [{"version_value": "Omron PLC CS series, all versions, Omron PLC CJ series, all versions, Omron PLC NJ series, all versions"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In Omron PLC CS series, all versions, Omron PLC CJ series, all versions, and Omron PLC NJ series, all versions, the software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "IMPROPER RESTRICTION OF EXCESSIVE AUTHENTICATION ATTEMPTS CWE-307"}]}]}, "references": {"reference_data": [{"name": "https://www.us-cert.gov/ics/advisories/icsa-19-346-03", "refsource": "MISC", "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-03"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T01:47:14.092Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-03"}]}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2019-18261", "datePublished": "2019-12-16T19:27:58.000Z", "dateReserved": "2019-10-22T00:00:00.000Z", "dateUpdated": "2024-08-05T01:47:14.092Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Omron PLC CJ, CS and NJ Series", "vendor": "n/a", "versions": [{"status": "affected", "version": "Omron PLC CS series, all versions, Omron PLC CJ series, all versions, Omron PLC NJ series, all versions"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:omron:plc_cj_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "7AF2C347-B4A7-4505-98A4-AFDCB1FCD386", "vulnerable": true}, {"criteria": "cpe:2.3:o:omron:plc_cs_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "DF9CD76C-F6E9-4E01-A039-4049B706DD92", "vulnerable": true}, {"criteria": "cpe:2.3:o:omron:plc_nj_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "DA0D87D7-A7AF-45DE-90EE-67103BA00A6B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Omron PLC CS series, all versions, Omron PLC CJ series, all versions, and Omron PLC NJ series, all versions, the software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks."}, {"lang": "es", "value": "En el Omron PLC CS series, todas las versiones, el Omron PLC CJ series, todas las versiones y el Omron PLC NJ series, todas las versiones, el software no implementa medidas suficientes para impedir m\u00faltiples intentos de autenticaci\u00f3n fallidos dentro un per\u00edodo de tiempo corto, haci\u00e9ndola m\u00e1s susceptible a los ataques de fuerza bruta."}], "id": "CVE-2019-18261", "lastModified": "2026-06-17T02:24:43.143", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-12-16T20:15:15.697", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-03"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-307"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-307"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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