{"cve":"CVE-2022-33324","nvd":{"published":"2022-12-23T03:15:08.723","modified":"2026-06-17T04:49:08.090","status":"Modified","description":"Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU Firmware versions \"32\" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions \"65\" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R08/16/32/120SFCPU Firmware versions \"29\" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R08/16/32/120PSFCPU Firmware versions \"08\" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R12CCPU-V Firmware versions \"17\" and prior, Mitsubishi Electric Corporation MELSEC iQ-L Series L04/08/16/32HCPU Firmware versions \"05\" and prior and Mitsubishi Electric Corporation MELIPC Series MI5122-VW Firmware versions \"07\" and prior allows a remote unauthenticated attacker to cause a Denial of Service condition in Ethernet communication on the module by sending specially crafted packets. A system reset of the module 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-404"],"references":["https://jvn.jp/vu/JVNVU96883262","https://www.cisa.gov/uscert/ics/advisories/icsa-22-356-03","https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-018_en.pdf","https://jvn.jp/vu/JVNVU96883262","https://www.cisa.gov/uscert/ics/advisories/icsa-22-356-03"],"products":["mitsubishi:melipc_mi5122-vw_firmware","mitsubishi:melsec_iq-l_l04_hcpu_firmware","mitsubishi:melsec_iq-l_l08_hcpu_firmware","mitsubishi:melsec_iq-l_l16_hcpu_firmware","mitsubishi:melsec_iq-l_l32_hcpu_firmware","mitsubishi:melsec_iq-r_r00_cpu_firmware","mitsubishi:melsec_iq-r_r01_cpu_firmware","mitsubishi:melsec_iq-r_r02_cpu_firmware","mitsubishi:melsec_iq-r_r04_cpu_firmware","mitsubishi:melsec_iq-r_r04_sfcpu_firmware","mitsubishi:melsec_iq-r_r08_cpu_firmware","mitsubishi:melsec_iq-r_r08_sfcpu_firmware","mitsubishi:melsec_iq-r_r120_cpu_firmware","mitsubishi:melsec_iq-r_r120_sfcpu_firmware","mitsubishi:melsec_iq-r_r12_ccpu-v_firmware","mitsubishi:melsec_iq-r_r16_cpu_firmware","mitsubishi:melsec_iq-r_r16_sfcpu_firmware","mitsubishi:melsec_iq-r_r32_cpu_firmware","mitsubishi:melsec_iq-r_r32_sfcpu_firmware"],"source":"nvd","synced_at":"2026-10-19T21:37:31.370122805+00:00"},"epss":{"cve":"CVE-2022-33324","score":0.01812,"percentile":0.7864,"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."]}