CVE-2021-20613

{"containers": {"cna": {"affected": [{"product": "MELSEC-F series FX3U-ENET; MELSEC-F series FX3U-ENET-L; MELSEC-F series FX3U-ENET-P502", "vendor": "n/a", "versions": [{"status": "affected", "version": "Firmware version 1.16 and prior"}]}], "descriptions": [{"lang": "en", "value": "Improper initialization vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.16 and prior, FX3U-ENET-L Firmware version 1.16 and prior and FX3U-ENET-P502 Firmware version 1.16 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product by sending specially crafted packets. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery."}], "problemTypes": [{"descriptions": [{"description": "Improper Initialization", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-01-14T19:04:47.000Z", "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "shortName": "Mitsubishi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/vu/JVNVU93268332/index.html"}, {"tags": ["x_refsource_MISC"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-024_en.pdf"}, {"tags": ["x_refsource_MISC"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-07"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "ID": "CVE-2021-20613", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "MELSEC-F series FX3U-ENET; MELSEC-F series FX3U-ENET-L; MELSEC-F series FX3U-ENET-P502", "version": {"version_data": [{"version_value": "Firmware version 1.16 and prior"}, {"version_value": "Firmware version 1.16 and prior"}, {"version_value": "Firmware version 1.16 and prior"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Improper initialization vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.16 and prior, FX3U-ENET-L Firmware version 1.16 and prior and FX3U-ENET-P502 Firmware version 1.16 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product by sending specially crafted packets. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper Initialization"}]}]}, "references": {"reference_data": [{"name": "https://jvn.jp/vu/JVNVU93268332/index.html", "refsource": "MISC", "url": "https://jvn.jp/vu/JVNVU93268332/index.html"}, {"name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-024_en.pdf", "refsource": "MISC", "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-024_en.pdf"}, {"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-07", "refsource": "MISC", "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-07"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:45:44.677Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/vu/JVNVU93268332/index.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-024_en.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-07"}]}]}, "cveMetadata": {"assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "assignerShortName": "Mitsubishi", "cveId": "CVE-2021-20613", "datePublished": "2022-01-14T19:04:47.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:45:44.677Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery."}, {"lang": "es", "value": "Una vulnerabilidad de inicializaci\u00f3n inapropiada en FX3U-ENET serie MELSEC-F, versiones de Firmware 1.16 y anteriores, FX3U-ENET-L versiones de Firmware 1.16 y anteriores, y FX3U-ENET-P502 versiones de Firmware 1.16 y anteriores, permite a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en la funci\u00f3n de comunicaci\u00f3n del producto mediante el env\u00edo de paquetes especialmente dise\u00f1ados. El control por parte del PLC de la serie MELSEC-F no est\u00e1 afectado por esta vulnerabilidad, pero es necesario reiniciar el sistema para recuperarlo"}], "id": "CVE-2021-20613", "lastModified": "2026-06-17T03:34:07.593", "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"}]}, "published": "2022-01-14T20:15:09.910", "references": [{"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://jvn.jp/vu/JVNVU93268332/index.html"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-07"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-024_en.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://jvn.jp/vu/JVNVU93268332/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-07"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-024_en.pdf"}], "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-665"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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