VULNERABILITY INTELLIGENCE

CVE-2020-5545

CVSS score9.8 CRITICAL

EPSS probability2.34%

CISA KEVNot currently listed

Published2020-03-16

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to bypass access restriction and to stop the network functions or execute malware via a specially crafted packet.

Primary references

vultures@jpcert.or.jp — Third Party Advisory
vultures@jpcert.or.jp — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory