CVE-2022-40265
Improper Input Validation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware version "65" and prior and Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware version "65" and…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Improper Input Validation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware version "65" and prior and Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware version "65" and prior allows a remote unauthenticated attacker to cause a Denial of Service condition by sending specially crafted packets. A system reset 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
- 0.96% probability · 60th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- mitsubishielectric/rj71en71 firmware · mitsubishielectric/r04encpu firmware · mitsubishielectric/r08encpu firmware · mitsubishielectric/r16encpu firmware · mitsubishielectric/r32encpu firmware · mitsubishielectric/r120encpu firmware
- Source
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
References
- https://jvn.jp/vu/JVNVU94702422Third Party Advisory
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdfVendor Advisory
- https://jvn.jp/vu/JVNVU94702422Third Party Advisory
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdfVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.