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CVE-2022-33324

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

Published: Dec 23, 2022Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-404
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.7%
Top 26.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-404

Affected Products

melsec iq-r r00 cpu firmwaremitsubishiICS / OT / IoT
melsec iq-r r01 cpu firmwaremitsubishiICS / OT / IoT
melsec iq-r r02 cpu firmwaremitsubishiICS / OT / IoT
melsec iq-r r04 cpu firmwaremitsubishiICS / OT / IoT
melsec iq-r r08 cpu firmwaremitsubishiICS / OT / IoT
mitsubishicommercialJPICS / OT / IoT
and 41 more affected products View all →

Exploitability

Official Patch Available

References

https://jvn.jp/vu/JVNVU96883262
jvn.jp
https://www.cisa.gov/uscert/ics/advisories/icsa-22-356-03
cisa.gov
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-018_en.pdf
mitsubishielectric.com
and 12 more references View all →

Timeline

Published
Dec 23, 2022
Last Updated
Nov 21, 2024

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