01 Record

CVE-2022-33324

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

HighPUBLISHEDCNA: Mitsubishi

CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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02 Description

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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.67% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 74.7% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2022-12-23 02:24Z3 YR AGO

Last updated

2024-09-05 05:25Z1 YR AGO

Reserved

2022-06-14

Assigning CNA

Mitsubishi

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

CWE-404Improper Resource Shutdown or ReleaseClass

Data version

5.1

Document digest

27fc787ef00945b359af3c4fd396146a1dbef778903b7feb2e74ada2dceca075

05 Affected products

VendorProductVersionsPlatforms

Mitsubishi Electric CorporationMELSEC iQ-R Series R00CPUFirmware versions "32" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R01CPUFirmware versions "32" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R02CPUFirmware versions "32" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R04CPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R08CPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R16CPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R32CPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R120CPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R04ENCPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R08ENCPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R16ENCPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R32ENCPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R120ENCPUFirmware versions "65" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R08SFCPUFirmware versions "29" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R16SFCPUFirmware versions "29" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R32SFCPUFirmware versions "29" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R120SFCPUFirmware versions "29" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R12CCPU-VFirmware versions "17" and prior—

Mitsubishi Electric CorporationMELSEC iQ-L Series L04HCPUFirmware versions "05" and prior—

Mitsubishi Electric CorporationMELSEC iQ-L Series L08HCPUFirmware versions "05" and prior—

Mitsubishi Electric CorporationMELSEC iQ-L Series L16HCPUFirmware versions "05" and prior—

Mitsubishi Electric CorporationMELSEC iQ-L Series L32HCPUFirmware versions "05" and prior—

Mitsubishi Electric CorporationMELIPC Series MI5122-VWFirmware versions "07" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R08PSFCPUFirmware versions "08" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R16PSFCPUFirmware versions "08" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R32PSFCPUFirmware versions "08" and prior—

Mitsubishi Electric CorporationMELSEC iQ-R Series R120PSFCPUFirmware versions "08" and prior—

06 References

www.mitsubishielectric.comhttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-018_en.pdfvendor-advisory
jvn.jphttps://jvn.jp/vu/JVNVU96883262government-resource
www.cisa.govhttps://www.cisa.gov/uscert/ics/advisories/icsa-22-356-03government-resource

01 Record index

CVE-2022-33324

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2022-33324

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References