CVE-2022-24946
Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions "16" and prior, Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. "24061" and prior, Mitsubishi Electric MELSEC-Q…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions "16" and prior, Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. "24061" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. "24061" and prior, Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions, Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions, Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions, Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number "24051" and prior and Mitsubishi Electric MELIPC Series MI5122-VW firmware versions "05" and prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition in Ethernet communications by sending specially crafted packets. A system reset of the products 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
- 1.65% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-667, CWE-413
- Affected
- mitsubishielectric/q03udecpu firmware · mitsubishielectric/q04udehcpu firmware · mitsubishielectric/q04udpvcpu firmware · mitsubishielectric/q04udvcpu firmware · mitsubishielectric/q100udehcpu firmware · mitsubishielectric/q50udehcpu firmware · mitsubishielectric/q26dhccpu-ls firmware · mitsubishielectric/q26udehcpu firmware · mitsubishielectric/q26udpvcpu firmware · mitsubishielectric/q26udvcpu firmware · mitsubishielectric/q20udehcpu firmware · mitsubishielectric/q13udehcpu firmware · mitsubishielectric/q13udpvcpu firmware · mitsubishielectric/q13udvcpu firmware · mitsubishielectric/q10udehcpu firmware · mitsubishielectric/q06ccpu-v firmware · mitsubishielectric/q06phcpu firmware · mitsubishielectric/q06udehcpu firmware · mitsubishielectric/q06udpvcpu firmware · mitsubishielectric/q06udvcpu firmware · +12 more
- Source
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
References
- https://jvn.jp/vu/JVNVU90895626/index.htmlThird Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdfVendor Advisory
- https://jvn.jp/vu/JVNVU90895626/index.htmlThird Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdfVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.