CVE-2021-20612

{"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 1.14 and prior"}]}], "descriptions": [{"lang": "en", "value": "Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.14 and prior, FX3U-ENET-L Firmware version 1.14 and prior and FX3U-ENET-P502 Firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product or other unspecified effects by sending specially crafted packets to an unnecessary opening of TCP port. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery."}], "problemTypes": [{"descriptions": [{"description": "Lack of Administrator Control over Security", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-01-14T19:04:45.000Z", "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "shortName": "Mitsubishi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/vu/JVNVU93268332/index.html"}, {"tags": ["x_refsource_MISC"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "ID": "CVE-2021-20612", "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 1.14 and prior"}, {"version_value": "Firmware version 1.14 and prior"}, {"version_value": "Firmware version 1.14 and prior"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.14 and prior, FX3U-ENET-L Firmware version 1.14 and prior and FX3U-ENET-P502 Firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product or other unspecified effects by sending specially crafted packets to an unnecessary opening of TCP port. 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": "Lack of Administrator Control over Security"}]}]}, "references": {"reference_data": [{"name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf", "refsource": "MISC", "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf"}, {"name": "https://jvn.jp/vu/JVNVU93268332/index.html", "refsource": "MISC", "url": "https://jvn.jp/vu/JVNVU93268332/index.html"}, {"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01", "refsource": "MISC", "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:45:44.790Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/vu/JVNVU93268332/index.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01"}]}]}, "cveMetadata": {"assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "assignerShortName": "Mitsubishi", "cveId": "CVE-2021-20612", "datePublished": "2022-01-14T19:04:45.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:45:44.790Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"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 1.14 and prior"}]}], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:fx3u-enet_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "BF1D75C8-9E0A-4A2A-A9B6-3A944721DFC4", "versionEndIncluding": "1.14", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:fx3u-enet:-:*:*:*:*:*:*:*", "matchCriteriaId": "5D1644E1-F748-46A3-8E09-FF5D53FD046F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:fx3u-enet-l_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "C54E1F47-E0A3-4C49-A219-84175C7B8108", "versionEndIncluding": "1.14", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:fx3u-enet-l:-:*:*:*:*:*:*:*", "matchCriteriaId": "C8ACC832-E1EC-46DA-A2D1-CF1A3791A885", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:fx3u-enet-p502_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "72D73FF4-10B4-4F70-B603-27775A21B9F1", "versionEndIncluding": "1.14", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:fx3u-enet-p502:-:*:*:*:*:*:*:*", "matchCriteriaId": "69BA96DC-C462-4286-AE0E-32D141017E7F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.14 and prior, FX3U-ENET-L Firmware version 1.14 and prior and FX3U-ENET-P502 Firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product or other unspecified effects by sending specially crafted packets to an unnecessary opening of TCP port. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery."}, {"lang": "es", "value": "Una falta de control del administrador sobre la vulnerabilidad de seguridad en la serie MELSEC-F FX3U-ENET Firmware versi\u00f3n 1.14 y anteriores, FX3U-ENET-L Firmware versi\u00f3n 1.14 y anteriores y FX3U-ENET-P502 Firmware versi\u00f3n 1.14 y anteriores permite que un atacante remoto no autenticado cause una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en la funci\u00f3n de comunicaci\u00f3n del producto u otros efectos no especificados mediante el env\u00edo de paquetes especialmente dise\u00f1ados a una apertura no necesaria del puerto TCP. 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-2021-20612", "lastModified": "2026-06-17T03:34:07.477", "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": "2022-01-14T20:15:09.850", "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-22-013-01"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_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-22-013-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf"}], "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}