{"id":"CVE-2022-24946","state":"PUBLISHED","title":"Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions \"16\" and prior, Mitsubishi Electric MELSEC-Q Series Q03UDECPU the firs","description":"Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions \"16\" and prior, Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. \"24061\" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. \"24061\" and prior, Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number \"24051\" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number \"24051\" and prior, Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions, Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions, Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions, Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number \"24051\" and prior, Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number \"24051\" and prior and Mitsubishi Electric MELIPC Series MI5122-VW firmware versions \"05\" and prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition in Ethernet communications by sending specially crafted packets. A system reset of the products is required for recovery.","publishedAt":"2022-06-15T20:18:35.000Z","updatedAt":"2026-06-02T18:59:07.119Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Mitsubishi","products":["n/a Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V; Mitsubishi Electric MELSEC-Q Series Q03UDECPU; Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU; Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU; Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU; Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V; Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G); Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS; Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P); Mitsubishi Electric MELSEC-L series L26CPU-(P)BT; Mitsubishi Electric MELIPC Series MI5122-VW"],"affected":[{"vendor":"n/a","product":"Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V; Mitsubishi Electric MELSEC-Q Series Q03UDECPU; Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU; Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU; Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU; Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V; Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G); Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS; Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P); Mitsubishi Electric MELSEC-L series L26CPU-(P)BT; Mitsubishi Electric MELIPC Series MI5122-VW","versions":[{"version":"Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions \"16\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. \"24061\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. \"24061\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number \"24051\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number \"24051\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions","status":"affected"},{"version":"Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number \"24051\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number \"24051\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELIPC Series MI5122-VW firmware versions \"05\" and prior","status":"affected"}]}],"references":["https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf","https://jvn.jp/vu/JVNVU90895626/index.html","https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01"],"weaknesses":["CWE-413"],"ingestedAt":"2026-10-29T19:49:43.915Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/24xxx/CVE-2022-24946.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-24946","state":"PUBLISHED","datePublished":"2022-06-15T20:18:35.000Z","dateUpdated":"2026-06-02T18:59:07.119Z","assignerShortName":"Mitsubishi","assignerOrgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad","dateReserved":"2022-02-10T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions \"16\" and prior, Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. \"24061\" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. \"24061\" and prior, Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number \"24051\" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number \"24051\" and prior, Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions, Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions, Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions, Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number \"24051\" and prior, Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number \"24051\" and prior and Mitsubishi Electric MELIPC Series MI5122-VW firmware versions \"05\" and prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition in Ethernet communications by sending specially crafted packets. A system reset of the products is required for recovery."}],"affected":[{"vendor":"n/a","product":"Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V; Mitsubishi Electric MELSEC-Q Series Q03UDECPU; Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU; Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU; Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU; Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V; Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G); Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS; Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P); Mitsubishi Electric MELSEC-L series L26CPU-(P)BT; Mitsubishi Electric MELIPC Series MI5122-VW","versions":[{"version":"Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions \"16\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. \"24061\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. \"24061\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number \"24051\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number \"24051\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions","status":"affected"},{"version":"Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions","status":"affected"},{"version":"Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number \"24051\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number \"24051\" and prior","status":"affected"},{"version":"Mitsubishi Electric MELIPC Series MI5122-VW firmware versions \"05\" and prior","status":"affected"}]}],"references":[{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf","tags":["x_refsource_MISC"]},{"url":"https://jvn.jp/vu/JVNVU90895626/index.html","tags":["x_refsource_MISC"]},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Improper Resource Locking","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"Mitsubishi","dateUpdated":"2022-08-19T22:41:30.000Z","orgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp","ID":"CVE-2022-24946","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V; Mitsubishi Electric MELSEC-Q Series Q03UDECPU; Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU; Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU; Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU; Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V; Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G); Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS; Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P); Mitsubishi Electric MELSEC-L series L26CPU-(P)BT; Mitsubishi Electric MELIPC Series MI5122-VW","version":{"version_data":[{"version_value":"Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions \"16\" and prior"},{"version_value":"Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. \"24061\" and prior"},{"version_value":"Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. \"24061\" and prior"},{"version_value":"Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number \"24051\" and prior"},{"version_value":"Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number \"24051\" and prior"},{"version_value":"Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions"},{"version_value":"Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions"},{"version_value":"Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions"},{"version_value":"Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number \"24051\" and prior"},{"version_value":"Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number \"24051\" and prior"},{"version_value":"Mitsubishi Electric MELIPC Series MI5122-VW firmware versions \"05\" and prior"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions \"16\" and prior, Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. \"24061\" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. \"24061\" and prior, Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number \"24051\" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number \"24051\" and prior, Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions, Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions, Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions, Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number \"24051\" and prior, Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number \"24051\" and prior and Mitsubishi Electric MELIPC Series MI5122-VW firmware versions \"05\" and prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition in Ethernet communications by sending specially crafted packets. A system reset of the products is required for recovery."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper Resource Locking"}]}]},"references":{"reference_data":[{"name":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf","refsource":"MISC","url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf"},{"name":"https://jvn.jp/vu/JVNVU90895626/index.html","refsource":"MISC","url":"https://jvn.jp/vu/JVNVU90895626/index.html"},{"name":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01","refsource":"MISC","url":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://jvn.jp/vu/JVNVU90895626/index.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T04:29:01.628Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-02T18:58:39.838636Z","id":"CVE-2022-24946","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-413","type":"CWE","lang":"en","description":"CWE-413 Improper Resource Locking"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-02T18:59:07.119Z"}}]}}}