{"id":"CVE-2020-5652","state":"PUBLISHED","title":"Uncontrolled resource consumption vulnerability in Ethernet Port on MELSEC iQ-R, Q and L series CPU modules (R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (E","description":"Uncontrolled resource consumption vulnerability in Ethernet Port on MELSEC iQ-R, Q and L series CPU modules (R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (EN) CPU firmware versions '52' and earlier, R 08/16/32/120 SFCPU firmware versions '22' and earlier, R 08/16/32/120 PCPU all versions, R 08/16/32/120 PSFCPU all versions, R 16/32/64 MTCPU all versions, Q03 UDECPU, Q 04/06/10/13/20/26/50/100 UDEHCPU serial number '22081' and earlier , Q 03/04/06/13/26 UDVCPU serial number '22031' and earlier, Q 04/06/13/26 UDPVCPU serial number '22031' and earlier, Q 172/173 DCPU all versions, Q 172/173 DSCPU all versions, Q 170 MCPU all versions, Q 170 MSCPU all versions, L 02/06/26 CPU (-P) and L 26 CPU - (P) BT all versions) allows a remote unauthenticated attacker to stop the Ethernet communication functions of the products via a specially crafted packet, which may lead to a denial of service (DoS) condition .","publishedAt":"2020-10-30T03:35:51.000Z","updatedAt":"2024-08-04T08:39:25.481Z","severity":null,"assigner":"jpcert","products":["Mitsubishi Electric Corporation MELSEC iQ-R, Q and L series"],"affected":[{"vendor":"Mitsubishi Electric Corporation","product":"MELSEC iQ-R, Q and L series","versions":[{"version":"R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (EN) CPU firmware versions '52' and earlier, R 08/16/32/120 SFCPU firmware versions '22' and earlier, R 08/16/32/120 PCPU all versions, R 08/16/32/120 PSFCPU all versions, R 16/32/64 MTCPU all versions, Q03 UDECPU, Q 04/06/10/13/20/26/50/100 UDEHCPU serial number '22081' and earlier, Q 03/04/06/13/26 UDVCPU serial number '22031' and earlier, Q 04/06/13/26 UDPVCPU serial number '22031' and earlier, Q 172/173 DCPU all versions, Q 172/173 DSCPU all versions, Q 170 MCPU all versions, Q 170 MSCPU all versions, and L 02/06/26 CPU (-P) and L 26 CPU - (P) BT all versions","status":"affected"}]}],"references":["https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-013.pdf","https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-013_en.pdf","https://jvn.jp/vu/JVNVU96558207/index.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:35.543Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/5xxx/CVE-2020-5652.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-5652","state":"PUBLISHED","datePublished":"2020-10-30T03:35:51.000Z","dateUpdated":"2024-08-04T08:39:25.481Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2020-01-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Uncontrolled resource consumption vulnerability in Ethernet Port on MELSEC iQ-R, Q and L series CPU modules (R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (EN) CPU firmware versions '52' and earlier, R 08/16/32/120 SFCPU firmware versions '22' and earlier, R 08/16/32/120 PCPU all versions, R 08/16/32/120 PSFCPU all versions, R 16/32/64 MTCPU all versions, Q03 UDECPU, Q 04/06/10/13/20/26/50/100 UDEHCPU serial number '22081' and earlier , Q 03/04/06/13/26 UDVCPU serial number '22031' and earlier, Q 04/06/13/26 UDPVCPU serial number '22031' and earlier, Q 172/173 DCPU all versions, Q 172/173 DSCPU all versions, Q 170 MCPU all versions, Q 170 MSCPU all versions, L 02/06/26 CPU (-P) and L 26 CPU - (P) BT all versions) allows a remote unauthenticated attacker to stop the Ethernet communication functions of the products via a specially crafted packet, which may lead to a denial of service (DoS) condition ."}],"affected":[{"vendor":"Mitsubishi Electric Corporation","product":"MELSEC iQ-R, Q and L series","versions":[{"version":"R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (EN) CPU firmware versions '52' and earlier, R 08/16/32/120 SFCPU firmware versions '22' and earlier, R 08/16/32/120 PCPU all versions, R 08/16/32/120 PSFCPU all versions, R 16/32/64 MTCPU all versions, Q03 UDECPU, Q 04/06/10/13/20/26/50/100 UDEHCPU serial number '22081' and earlier, Q 03/04/06/13/26 UDVCPU serial number '22031' and earlier, Q 04/06/13/26 UDPVCPU serial number '22031' and earlier, Q 172/173 DCPU all versions, Q 172/173 DSCPU all versions, Q 170 MCPU all versions, Q 170 MSCPU all versions, and L 02/06/26 CPU (-P) and L 26 CPU - (P) BT all versions","status":"affected"}]}],"references":[{"url":"https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-013.pdf","tags":["x_refsource_MISC"]},{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-013_en.pdf","tags":["x_refsource_MISC"]},{"url":"https://jvn.jp/vu/JVNVU96558207/index.html","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Uncontrolled Resource Consumption","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"jpcert","dateUpdated":"2020-10-30T03:35:51.000Z","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"vultures@jpcert.or.jp","ID":"CVE-2020-5652","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"MELSEC iQ-R, Q and L series","version":{"version_data":[{"version_value":"R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (EN) CPU firmware versions '52' and earlier, R 08/16/32/120 SFCPU firmware versions '22' and earlier, R 08/16/32/120 PCPU all versions, R 08/16/32/120 PSFCPU all versions, R 16/32/64 MTCPU all versions, Q03 UDECPU, Q 04/06/10/13/20/26/50/100 UDEHCPU serial number '22081' and earlier, Q 03/04/06/13/26 UDVCPU serial number '22031' and earlier, Q 04/06/13/26 UDPVCPU serial number '22031' and earlier, Q 172/173 DCPU all versions, Q 172/173 DSCPU all versions, Q 170 MCPU all versions, Q 170 MSCPU all versions, and L 02/06/26 CPU (-P) and L 26 CPU - (P) BT all versions"}]}}]},"vendor_name":"Mitsubishi Electric Corporation"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Uncontrolled resource consumption vulnerability in Ethernet Port on MELSEC iQ-R, Q and L series CPU modules (R 00/01/02 CPU firmware versions '20' and earlier, R 04/08/16/32/120 (EN) CPU firmware versions '52' and earlier, R 08/16/32/120 SFCPU firmware versions '22' and earlier, R 08/16/32/120 PCPU all versions, R 08/16/32/120 PSFCPU all versions, R 16/32/64 MTCPU all versions, Q03 UDECPU, Q 04/06/10/13/20/26/50/100 UDEHCPU serial number '22081' and earlier , Q 03/04/06/13/26 UDVCPU serial number '22031' and earlier, Q 04/06/13/26 UDPVCPU serial number '22031' and earlier, Q 172/173 DCPU all versions, Q 172/173 DSCPU all versions, Q 170 MCPU all versions, Q 170 MSCPU all versions, L 02/06/26 CPU (-P) and L 26 CPU - (P) BT all versions) allows a remote unauthenticated attacker to stop the Ethernet communication functions of the products via a specially crafted packet, which may lead to a denial of service (DoS) condition ."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Uncontrolled Resource Consumption"}]}]},"references":{"reference_data":[{"name":"https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-013.pdf","refsource":"MISC","url":"https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-013.pdf"},{"name":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-013_en.pdf","refsource":"MISC","url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-013_en.pdf"},{"name":"https://jvn.jp/vu/JVNVU96558207/index.html","refsource":"MISC","url":"https://jvn.jp/vu/JVNVU96558207/index.html"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-013.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-013_en.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://jvn.jp/vu/JVNVU96558207/index.html","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T08:39:25.481Z"}}]}}}