CVE-2021-33011

MEDIUM
4.3
CVSS Score
Published: September 10, 2021 at 11:28 AM UTC
Updated: June 17, 2026 at 03:54 AM UTC
55 products affected across 1 vendorPC10P Dp Io Tcc 6752 FirmwarePC10G CPU Tcc 6353 FirmwarePC10B Tcc 1021 Firmware

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.4%

Description

All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
jtekt-2port-efr-thu-6404 (same device)
All versions
jtekt-ef10-tcu-6982 (same device)
All versions
jtekt-fl-et-t-v2h-thu-6289 (same device)
All versions
jtekt-nano-10gx-tuc-1157 (same device)
All versions
jtekt-nano-2et-tuu-6949 (same device)
All versions
jtekt-nano-cpu-tuc-6941 (same device)
All versions
jtekt-nano-safety-rs00ip-tuu-1086 (same device)
All versions
jtekt-nano-safety-rs01ip-tuu-1087 (same device)
All versions
jtekt-nano-safety-tuc-1085 (same device)
All versions
jtekt-pc10b-e-c-tcu-6521 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-245-02

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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