Vulnerability · Published Dec 23, 2022 · Assigned by Mitsubishi
CVE-2022-33324Denial-of-Service Vulnerability in Ethernet port of MELSEC iQ-R, iQ-L Series and MELIPC Series
High 7.5
In plain English
A high-severity security flaw in MELIPC Series MI5122-VW from Mitsubishi Electric Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-018_en.pdf vendor-advisory
- https://jvn.jp/vu/JVNVU96883262 government-resource
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-356-03 government-resource