CVE-2021-20610
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-R Series R08/16/32/120PCPU, MELSEC iQ-R Series R08/16/32/120PSFCPU, MELSEC iQ-R Series R16/32/64MTCPU, MELSEC iQ-R Series R12CCPU-V, MELSEC Q Series Q03UDECPU, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC Q Series Q03/04/06/13/26UDVCPU, MELSEC Q Series Q04/06/13/26UDPVCPU, MELSEC Q Series Q12DCCPU-V, MELSEC Q Series Q24DHCCPU-V(G), MELSEC Q Series Q24/26DHCCPU-LS, MELSEC Q Series MR-MQ100, MELSEC Q Series Q172/173DCPU-S1, MELSEC Q Series Q172/173DSCPU, MELSEC Q Series Q170MCPU, MELSEC Q Series Q170MSCPU(-S1), MELSEC L Series L02/06/26CPU(-P), MELSEC L Series L26CPU-(P)BT and MELIPC Series MI5122-VW allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R00CPU | Firmware versions "24" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R01CPU | Firmware versions "24" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R02CPU | Firmware versions "24" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R04CPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R08CPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R16CPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R32CPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R120CPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R04ENCPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R08ENCPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R16ENCPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R32ENCPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R120ENCPU | Firmware versions "57" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R08SFCPU | Firmware versions "26" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R16SFCPU | Firmware versions "26" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R32SFCPU | Firmware versions "26" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R120SFCPU | Firmware versions "26" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R08PCPU | Firmware versions "29" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R16PCPU | Firmware versions "29" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R32PCPU | Firmware versions "29" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R120PCPU | Firmware versions "29" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R08PSFCPU | Firmware versions "08" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R16PSFCPU | Firmware versions "08" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R32PSFCPU | Firmware versions "08" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R120PSFCPU | Firmware versions "08" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R16MTCPU | Operating system software version "23" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R32MTCPU | Operating system software version "23" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R64MTCPU | Operating system software version "23" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC iQ-R Series R12CCPU-V | Firmware versions "16" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q03UDECPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q04UDEHCPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q06UDEHCPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q10UDEHCPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q13UDEHCPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q20UDEHCPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q26UDEHCPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q50UDEHCPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q100UDEHCPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q03UDVCPU | The first 5 digits of serial No. "23071" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q04UDVCPU | The first 5 digits of serial No. "23071" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q06UDVCPU | The first 5 digits of serial No. "23071" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q13UDVCPU | The first 5 digits of serial No. "23071" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q26UDVCPU | The first 5 digits of serial No. "23071" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q04UDPVCPU | The first 5 digits of serial No. "23071" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q06UDPVCPU | The first 5 digits of serial No. "23071" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q13UDPVCPU | The first 5 digits of serial No. "23071" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q26UDPVCPU | The first 5 digits of serial No. "23071" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q12DCCPU-V | The first 5 digits of serial No. "24031" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q24DHCCPU-V | The first 5 digits of serial No. "24031" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q24DHCCPU-VG | The first 5 digits of serial No. "24031" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q24DHCCPU-LS | The first 5 digits of serial No. "24031" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q26DHCCPU-LS | The first 5 digits of serial No. "24031" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series MR-MQ100 | Operating system software version "F" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q172DCPU-S1 | Operating system software version "W" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q173DCPU-S1 | Operating system software version "W" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q172DSCPU | Operating system software version "Y" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q173DSCPU | Operating system software version "Y" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q170MCPU | Operating system software version "W" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q170MSCPU | Operating system software version "Y" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC Q Series Q170MSCPU-S1 | Operating system software version "Y" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC L Series L02CPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC L Series L06CPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC L Series L26CPU | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC L Series L02CPU-P | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC L Series L06CPU-P | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC L Series L26CPU-P | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC L Series L26CPU-BT | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELSEC L Series L26CPU-PBT | The first 5 digits of serial No. "23121" and prior | affected |
| Mitsubishi Electric Corporation | MELIPC Series MI5122-VW | Firmware versions "05" and prior | affected |
Weaknesses
- CWE-130: CWE-130 Improper Handling of Length Parameter Inconsistency
ADP Enrichment
CVE Program Container
Additional References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf
- https://jvn.jp/vu/JVNVU94434051/index.html
- https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02
References
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-019_en.pdf
- https://jvn.jp/vu/JVNVU94434051/index.html
- https://us-cert.cisa.gov/ics/advisories/icsa-21-334-02
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