CVE-2022-33324

HIGH

Mitsubishi Electric MELSEC iQ-R - Info Disclosure

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Third Party Advisory government-resource
https://jvn.jp/vu/JVNVU96883262
Patch, Third Party Advisory, US Government Resource government-resource
https://www.cisa.gov/uscert/ics/advisories/icsa-22-356-03

Scores

CVSS v3 7.5
EPSS 0.0167
EPSS Percentile 73.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-404
Status published
Products (19)
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 < 33.0
mitsubishi/melsec_iq-r_r01_cpu_firmware < 33.0
mitsubishi/melsec_iq-r_r02_cpu_firmware < 33.0
mitsubishi/melsec_iq-r_r04_cpu_firmware < 66.0
mitsubishi/melsec_iq-r_r04_sfcpu_firmware
... and 9 more
Published Dec 23, 2022
Tracked Since Feb 18, 2026