CVE-2021-33011
All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series,...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-33011- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-770
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-33011- Weakness
- CWE-770
- Updated
- 2026-11-02
EUVDEUVD-2021-19732 No score
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.
- Record
EUVD-2021-19732- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c4rx-vvj6-9gv8 No score
All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series,...
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.
- Record
GHSA-c4rx-vvj6-9gv8- Weakness
- CWE-770
- Updated
- 2026-11-02
Affected products
- jtekt 2port-efr thu-6404 firmware
- jtekt ef10 tcu-6982 firmware
- jtekt fl\/et-t-v2h thu-6289 firmware
- jtekt nano 10gx tuc-1157 firmware
- jtekt nano 2et tuu-6949 firmware
- jtekt nano cpu tuc-6941 firmware
- jtekt nano safety rs00ip tuu-1086 firmware
- jtekt nano safety rs01ip tuu-1087 firmware
- jtekt nano safety tuc-1085 firmware
- jtekt pc10b-e\/c tcu-6521 firmware
- jtekt pc10b-p tcc-6373 firmware
- jtekt pc10b tcc-1021 firmware
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- jtekt pc10e tcc-4637 firmware
- jtekt pc10g-cpu tcc-6353 firmware
- jtekt pc10ge tcc-6464 firmware
- jtekt pc10p-dp-io tcc-6752 firmware
- jtekt pc10p-dp tcc-6726 firmware
- jtekt pc10p tcc-6372 firmware
- jtekt pc10pe-1616p tcc-1102 firmware
- jtekt pc10pe tcc-1101 firmware
- jtekt plus 2p-efr tcu-6929 firmware
- jtekt plus bus-ex tcu-6900 firmware
- jtekt plus cpu tcc-6740 firmware
- jtekt plus efr2 tcu-6859 firmware
- jtekt plus efr tcu-6743 firmware
- jtekt plus ex2 tcu-6858 firmware
- jtekt plus ex tcu-6741 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33011 is a medium vulnerability (CVSS 4.3) in Jtekt 2port-efr Thu-6404 Firmware, published September 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.