CVE record · CVE-2022-33324

Denial-of-Service Vulnerability in Ethernet port of MELSEC iQ-R, iQ-L Series and MELIPC Series

CVSS 7.5 HighEPSS 0.018 · 78th percentile

Published by the CVE Program (CNA: Mitsubishi) at 23 Dec 2022, 02:24 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Mitsubishi Electric Corporation	MELSEC iQ-R Series R00CPU	affected Firmware versions "32" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R01CPU	affected Firmware versions "32" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R02CPU	affected Firmware versions "32" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R04CPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R08CPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R16CPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R32CPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R120CPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R04ENCPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R08ENCPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R16ENCPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R32ENCPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R120ENCPU	affected Firmware versions "65" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R08SFCPU	affected Firmware versions "29" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R16SFCPU	affected Firmware versions "29" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R32SFCPU	affected Firmware versions "29" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R120SFCPU	affected Firmware versions "29" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R12CCPU-V	affected Firmware versions "17" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-L Series L04HCPU	affected Firmware versions "05" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-L Series L08HCPU	affected Firmware versions "05" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-L Series L16HCPU	affected Firmware versions "05" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-L Series L32HCPU	affected Firmware versions "05" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELIPC Series MI5122-VW	affected Firmware versions "07" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R08PSFCPU	affected Firmware versions "08" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R16PSFCPU	affected Firmware versions "08" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R32PSFCPU	affected Firmware versions "08" and prior Other versions: unaffected
Mitsubishi Electric Corporation	MELSEC iQ-R Series R120PSFCPU	affected Firmware versions "08" and prior Other versions: unaffected

Identifiers: CVE-2022-33324
CNA: Mitsubishi
Weakness (CWE): CWE-404
Tags: Mitsubishi Electric Corporation MELSEC iQ-R Series R00CPU
Mitsubishi Electric Corporation MELSEC iQ-R Series R01CPU
Mitsubishi Electric Corporation MELSEC iQ-R Series R02CPU
Mitsubishi Electric Corporation MELSEC iQ-R Series R04CPU
Mitsubishi Electric Corporation MELSEC iQ-R Series R08CPU
Mitsubishi Electric Corporation MELSEC iQ-R Series R16CPU
Mitsubishi Electric Corporation MELSEC iQ-R Series R32CPU
Mitsubishi Electric Corporation MELSEC iQ-R Series R120CPU
Denial of service
Published: 23 Dec 2022
Updated: 5 Sept 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (Mitsubishi)

CISA KEV Not listed.
EPSS 0.018, the 78th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 23 Dec 2022. New records show when each source confirmed them.

Sources

References from the CNA

www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-018_en.pdf vendor-advisory
jvn.jp/vu/JVNVU96883262 government-resource
www.cisa.gov/uscert/ics/advisories/icsa-22-356-03 government-resource

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.