{"cve":"CVE-2022-24946","nvd":{"published":"2022-06-15T21:15:09.333","modified":"2026-06-17T04:32:50.157","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-667","CWE-413"],"references":["https://jvn.jp/vu/JVNVU90895626/index.html","https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01","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"],"products":["mitsubishielectric:l02cpu-p_firmware","mitsubishielectric:l02cpu_firmware","mitsubishielectric:l02scpu-p_firmware","mitsubishielectric:l02scpu_firmware","mitsubishielectric:l06cpu-p_firmware","mitsubishielectric:l06cpu_firmware","mitsubishielectric:l26cpu-\\(p\\)bt_firmware","mitsubishielectric:l26cpu-bt-cm_firmware","mitsubishielectric:l26cpu-bt_firmware","mitsubishielectric:l26cpu-p_firmware","mitsubishielectric:l26cpu-pbt_firmware","mitsubishielectric:l26cpu_firmware","mitsubishielectric:q03udecpu_firmware","mitsubishielectric:q04udehcpu_firmware","mitsubishielectric:q04udpvcpu_firmware","mitsubishielectric:q04udvcpu_firmware","mitsubishielectric:q06ccpu-v_firmware","mitsubishielectric:q06phcpu_firmware","mitsubishielectric:q06udehcpu_firmware","mitsubishielectric:q06udpvcpu_firmware","mitsubishielectric:q06udvcpu_firmware","mitsubishielectric:q100udehcpu_firmware","mitsubishielectric:q10udehcpu_firmware","mitsubishielectric:q13udehcpu_firmware","mitsubishielectric:q13udpvcpu_firmware","mitsubishielectric:q13udvcpu_firmware","mitsubishielectric:q20udehcpu_firmware","mitsubishielectric:q26dhccpu-ls_firmware","mitsubishielectric:q26udehcpu_firmware","mitsubishielectric:q26udpvcpu_firmware","mitsubishielectric:q26udvcpu_firmware","mitsubishielectric:q50udehcpu_firmware"],"source":"nvd","synced_at":"2026-10-19T21:32:39.174919249+00:00"},"epss":{"cve":"CVE-2022-24946","score":0.01724,"percentile":0.77517,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}