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CVE-2021-27477

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CVSS 3.1
7.5 high
EPSS
1%p64
Published
()
Modified
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.

Vendors
jtekt
Products
pc10g-cpu firmware, 2port-efr firmware, plus cpu firmware, plus ex firmware, plus ex2 firmware, plus efr firmware, plus efr2 firmware, plus 2p-efr firmware, pc10p-dp firmware, pc10p-dp-io firmware, plus bus-ex firmware, nano 10gx firmware
Weakness
CWE-119, CWE-787
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVE.org GitHub PoCs EPSS (1.1%)

In the news

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