CVE-2022-33324
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"…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.67% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-404
- Affected
- mitsubishi/melsec iq-r r00 cpu firmware · mitsubishi/melsec iq-r r01 cpu firmware · mitsubishi/melsec iq-r r02 cpu firmware · mitsubishi/melsec iq-r r04 cpu firmware · mitsubishi/melsec iq-r r08 cpu firmware · mitsubishi/melsec iq-r r16 cpu firmware · mitsubishi/melsec iq-r r32 cpu firmware · mitsubishi/melsec iq-r r120 cpu firmware · mitsubishi/melsec iq-r r04 sfcpu firmware · mitsubishi/melsec iq-r r08 sfcpu firmware · mitsubishi/melsec iq-r r120 sfcpu firmware · mitsubishi/melsec iq-r r16 sfcpu firmware · mitsubishi/melsec iq-r r32 sfcpu firmware · mitsubishi/melsec iq-r r12 ccpu-v firmware · 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
- Source
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
References
- https://jvn.jp/vu/JVNVU96883262Third Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-356-03Patch, Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-018_en.pdfVendor Advisory
- https://jvn.jp/vu/JVNVU96883262Third Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-356-03Patch, Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-018_en.pdfVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.