Vulnerabilities > CVE-2020-5656 - Unspecified vulnerability in Mitsubishielectric products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
Improper access control vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are '02' or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are '01' or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are '08' or before, RD81MES96N MES Interface Module First 2 digits of serial number are '04' or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are '04' or before) allows a remote unauthenticated attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 5 | |
| Hardware | 5 |
References
- https://jvn.jp/vu/JVNVU92513419/index.html
- https://jvn.jp/vu/JVNVU92513419/index.html
- https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-012.pdf
- https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-012.pdf
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-012_en.pdf
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-012_en.pdf