Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mitsubishielectric | Q03Udecpu Firmware | - |
| Mitsubishielectric | Q03Udecpu | - |
| Mitsubishielectric | Q04Udehcpu Firmware | - |
| Mitsubishielectric | Q04Udehcpu | - |
| Mitsubishielectric | Q04Udpvcpu Firmware | - |
| Mitsubishielectric | Q04Udpvcpu | - |
| Mitsubishielectric | Q04Udvcpu Firmware | - |
| Mitsubishielectric | Q04Udvcpu | - |
| Mitsubishielectric | Q100Udehcpu Firmware | - |
| Mitsubishielectric | Q100Udehcpu | - |
| Mitsubishielectric | Q50Udehcpu Firmware | - |
| Mitsubishielectric | Q50Udehcpu | - |
| Mitsubishielectric | Q26Dhccpu-Ls Firmware | - |
| Mitsubishielectric | Q26Dhccpu-Ls | - |
| Mitsubishielectric | Q26Udehcpu Firmware | - |
| Mitsubishielectric | Q26Udehcpu | - |
| Mitsubishielectric | Q26Udpvcpu Firmware | - |
| Mitsubishielectric | Q26Udpvcpu | - |
| Mitsubishielectric | Q26Udvcpu Firmware | - |
| Mitsubishielectric | Q26Udvcpu | - |
Related Weaknesses (CWE)
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
FAQ
What is CVE-2022-24946?
CVE-2022-24946 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2022-24946?
CVE-2022-24946 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-24946?
Check the references section above for vendor advisories and patch information. Affected products include: Mitsubishielectric Q03Udecpu Firmware, Mitsubishielectric Q03Udecpu, Mitsubishielectric Q04Udehcpu Firmware, Mitsubishielectric Q04Udehcpu, Mitsubishielectric Q04Udpvcpu Firmware.