{"id":"CVE-2020-5527","state":"PUBLISHED","title":"When MELSOFT transmission port (UDP/IP) of Mitsubishi Electric MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series","description":"When MELSOFT transmission port (UDP/IP) of Mitsubishi Electric MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions) receives massive amount of data via unspecified vectors, resource consumption occurs and the port does not process the data properly. As a result, it may fall into a denial-of-service (DoS) condition. The vendor states this vulnerability only affects Ethernet communication functions.","publishedAt":"2020-03-30T07:10:14.000Z","updatedAt":"2024-08-04T08:30:24.568Z","severity":null,"assigner":"jpcert","products":["Mitsubishi Electric Corporation MELSOFT transmission port (UDP/IP) of multiple Mitsubishi Electric MELSEC series"],"affected":[{"vendor":"Mitsubishi Electric Corporation","product":"MELSOFT transmission port (UDP/IP) of multiple Mitsubishi Electric MELSEC series","versions":[{"version":"MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions)","status":"affected"}]}],"references":["https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf","https://jvn.jp/en/vu/JVNVU91553662/index.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:35.543Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/5xxx/CVE-2020-5527.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-5527","state":"PUBLISHED","datePublished":"2020-03-30T07:10:14.000Z","dateUpdated":"2024-08-04T08:30:24.568Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2020-01-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"When MELSOFT transmission port (UDP/IP) of Mitsubishi Electric MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions) receives massive amount of data via unspecified vectors, resource consumption occurs and the port does not process the data properly. As a result, it may fall into a denial-of-service (DoS) condition. The vendor states this vulnerability only affects Ethernet communication functions."}],"affected":[{"vendor":"Mitsubishi Electric Corporation","product":"MELSOFT transmission port (UDP/IP) of multiple Mitsubishi Electric MELSEC series","versions":[{"version":"MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions)","status":"affected"}]}],"references":[{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf","tags":["x_refsource_MISC"]},{"url":"https://jvn.jp/en/vu/JVNVU91553662/index.html","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Denial-of-service (DoS)","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"jpcert","dateUpdated":"2020-03-30T07:10:14.000Z","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"vultures@jpcert.or.jp","ID":"CVE-2020-5527","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"MELSOFT transmission port (UDP/IP) of multiple Mitsubishi Electric MELSEC series","version":{"version_data":[{"version_value":"MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions)"}]}}]},"vendor_name":"Mitsubishi Electric Corporation"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"When MELSOFT transmission port (UDP/IP) of Mitsubishi Electric MELSEC iQ-R series (all versions), MELSEC iQ-F series (all versions), MELSEC Q series (all versions), MELSEC L series (all versions), and MELSEC F series (all versions) receives massive amount of data via unspecified vectors, resource consumption occurs and the port does not process the data properly. As a result, it may fall into a denial-of-service (DoS) condition. The vendor states this vulnerability only affects Ethernet communication functions."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Denial-of-service (DoS)"}]}]},"references":{"reference_data":[{"name":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf","refsource":"MISC","url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf"},{"name":"https://jvn.jp/en/vu/JVNVU91553662/index.html","refsource":"MISC","url":"https://jvn.jp/en/vu/JVNVU91553662/index.html"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2019-005_en.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://jvn.jp/en/vu/JVNVU91553662/index.html","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T08:30:24.568Z"}}]}}}