CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. See the original NVD description below for full technical details.
CVE
CVE-2021-27477
Severity
HIGH
CVSS
7.5
EPSS
1.13%
Original NVD Description
When JTEKT Corporation TOYOPUC PLC versions PC10G-CPU, 2PORT-EFR, Plus CPU, Plus EX, Plus EX2, Plus EFR, Plus EFR2, Plus 2P-EFR, PC10P-DP, PC10P-DP-IO, Plus BUS-EX, Nano 10GX, Nano 2ET,PC10PE, PC10PE-16/16P, PC10E, FL/ET-T-V2H, PC10B,PC10B-P, Nano CPU, PC10P, and PC10GE receive an invalid frame, the outside area of a receive buffer for FL-net are overwritten. As a result, the PLC CPU detects a system error, and the affected products stop.
Related CVEs
Other vulnerabilities affecting the same vendor(s)