CVE-2021-20608

{"containers": {"cna": {"affected": [{"product": "GX Works2", "vendor": "n/a", "versions": [{"status": "affected", "version": "versions 1.606G and prior"}]}], "descriptions": [{"lang": "en", "value": "Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior allows a remote unauthenticated attacker to cause a DoS condition in GX Works2 by getting GX Works2 to read a tampered program file from a Mitsubishi Electric PLC by sending malicious crafted packets to tamper with the program file."}], "problemTypes": [{"descriptions": [{"description": "Improper Handling of Length Parameter Inconsistency", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-17T16:10:27.000Z", "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "shortName": "Mitsubishi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/vu/JVNVU93019896/index.html"}, {"tags": ["x_refsource_MISC"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "ID": "CVE-2021-20608", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GX Works2", "version": {"version_data": [{"version_value": "versions 1.606G and prior"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior allows a remote unauthenticated attacker to cause a DoS condition in GX Works2 by getting GX Works2 to read a tampered program file from a Mitsubishi Electric PLC by sending malicious crafted packets to tamper with the program file."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper Handling of Length Parameter Inconsistency"}]}]}, "references": {"reference_data": [{"name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf", "refsource": "MISC", "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf"}, {"name": "https://jvn.jp/vu/JVNVU93019896/index.html", "refsource": "MISC", "url": "https://jvn.jp/vu/JVNVU93019896/index.html"}, {"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:45:44.831Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/vu/JVNVU93019896/index.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04"}]}]}, "cveMetadata": {"assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "assignerShortName": "Mitsubishi", "cveId": "CVE-2021-20608", "datePublished": "2021-12-17T16:10:27.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:45:44.831Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "GX Works2", "vendor": "n/a", "versions": [{"status": "affected", "version": "versions 1.606G and prior"}]}], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:*", "matchCriteriaId": "32F0E13C-4862-4A58-8F16-4E0D925FEA33", "versionEndIncluding": "1.606g", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior allows a remote unauthenticated attacker to cause a DoS condition in GX Works2 by getting GX Works2 to read a tampered program file from a Mitsubishi Electric PLC by sending malicious crafted packets to tamper with the program file."}, {"lang": "es", "value": "Una vulnerabilidad de Manejo Inapropiado de la Inconsistencia de los Par\u00e1metros de Longitud en Mitsubishi Electric GX Works2 versiones 1.606G y anteriores, permite a un atacante remoto no autenticado causar una condici\u00f3n de DoS en GX Works2 al conseguir que GX Works2 lea un archivo de programa manipulado de un PLC de Mitsubishi Electric mediante el env\u00edo de paquetes maliciosos dise\u00f1ados para manipular el archivo de programa"}], "id": "CVE-2021-20608", "lastModified": "2026-06-17T03:34:06.447", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "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": 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": "2021-12-17T17:15:11.937", "references": [{"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/vu/JVNVU93019896/index.html"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/vu/JVNVU93019896/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_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"}]}

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