What’s Vulnerable › Vulnerabilities
CVE-2022-24946
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-06-15 · updated 2026-06-17
- Weakness: CWE-667
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.
Affected products
- Mitsubishielectric L02Cpu-P Firmware: all versions
- Mitsubishielectric L02Cpu Firmware: all versions
- Mitsubishielectric L02Scpu-P Firmware: all versions
- Mitsubishielectric L02Scpu Firmware: all versions
- Mitsubishielectric L06Cpu-P Firmware: all versions
- Mitsubishielectric L06Cpu Firmware: all versions
- Mitsubishielectric L26Cpu-(P)Bt Firmware: all versions
- Mitsubishielectric L26Cpu-Bt-Cm Firmware: all versions
- Mitsubishielectric L26Cpu-Bt Firmware: all versions
- Mitsubishielectric L26Cpu-P Firmware: all versions
- Mitsubishielectric L26Cpu-Pbt Firmware: all versions
- Mitsubishielectric L26Cpu Firmware: all versions
- Mitsubishielectric Q03Udecpu Firmware: all versions
- Mitsubishielectric Q04Udehcpu Firmware: all versions
- Mitsubishielectric Q04Udpvcpu Firmware: all versions
- Mitsubishielectric Q04Udvcpu Firmware: all versions
- Mitsubishielectric Q06Ccpu-V Firmware: all versions
- Mitsubishielectric Q06Phcpu Firmware: all versions
- Mitsubishielectric Q06Udehcpu Firmware: all versions
- Mitsubishielectric Q06Udpvcpu Firmware: all versions
- Mitsubishielectric Q06Udvcpu Firmware: all versions
- Mitsubishielectric Q100Udehcpu Firmware: all versions
- Mitsubishielectric Q10Udehcpu Firmware: all versions
- Mitsubishielectric Q13Udehcpu Firmware: all versions
- Mitsubishielectric Q13Udpvcpu Firmware: all versions
- Mitsubishielectric Q13Udvcpu Firmware: all versions
- Mitsubishielectric Q20Udehcpu Firmware: all versions
- Mitsubishielectric Q26Dhccpu-Ls Firmware: all versions
- Mitsubishielectric Q26Udehcpu Firmware: all versions
- Mitsubishielectric Q26Udpvcpu Firmware: all versions
References
- https://jvn.jp/vu/JVNVU90895626/index.html
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf
- https://jvn.jp/vu/JVNVU90895626/index.html
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-01
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-007_en.pdf
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