Denial of service in JTEKT TOYOPUC products



Published: 2021-04-14
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2021-27458
CWE-ID CWE-404
Exploitation vector Network
Public exploit N/A
Vulnerable software
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TOYOPUC PC10G-CPU TCC-6353
Hardware solutions / Firmware

TOYOPUC PC10GE TCC-6464
Hardware solutions / Firmware

TOYOPUC PC10P TCC-6372
Hardware solutions / Firmware

TOYOPUC PC10P-DP TCC-6726
Hardware solutions / Firmware

TOYOPUC PC10P-DP-IO TCC-6752
Hardware solutions / Firmware

TOYOPUC PC10B-P TCC-6373
Hardware solutions / Firmware

TOYOPUC PC10B TCC-1021
Hardware solutions / Firmware

TOYOPUC PC10B-E/C TCU-6521
Hardware solutions / Firmware

TOYOPUC PC10E TCC-4737
Hardware solutions / Firmware

TOYOPUC Plus CPU TCC-6740
Hardware solutions / Firmware

TOYOPUC Plus EX TCU-6741
Hardware solutions / Firmware

TOYOPUC Plus EX2 TCU-6858
Hardware solutions / Firmware

TOYOPUC Plus EFR TCU-6743
Hardware solutions / Firmware

TOYOPUC Plus EFR2 TCU-6859
Hardware solutions / Firmware

TOYOPUC Plus 2P-EFR TCU-6929
Hardware solutions / Firmware

TOYOPUC Plus BUS-EX TCU-6900
Hardware solutions / Firmware

FL/ET-T-V2H THU-6289
Hardware solutions / Firmware

2PORT-EFR THU-6404
Hardware solutions / Firmware

Vendor JTEKT Corporation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Resource Shutdown or Release

EUVDB-ID: #VU52210

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-27458

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack. 

The vulnerability exists due to improper resource shutdown or release. A remote attacker can cause a denial of service condition on the targeted system. 

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

TOYOPUC PC10G-CPU TCC-6353: All versions

TOYOPUC PC10GE TCC-6464: All versions

TOYOPUC PC10P TCC-6372: All versions

TOYOPUC PC10P-DP TCC-6726: All versions

TOYOPUC PC10P-DP-IO TCC-6752: All versions

TOYOPUC PC10B-P TCC-6373: All versions

TOYOPUC PC10B TCC-1021: All versions

TOYOPUC PC10B-E/C TCU-6521: All versions

TOYOPUC PC10E TCC-4737: All versions

TOYOPUC Plus CPU TCC-6740: All versions

TOYOPUC Plus EX TCU-6741: All versions

TOYOPUC Plus EX2 TCU-6858: All versions

TOYOPUC Plus EFR TCU-6743: All versions

TOYOPUC Plus EFR2 TCU-6859: All versions

TOYOPUC Plus 2P-EFR TCU-6929: All versions

TOYOPUC Plus BUS-EX TCU-6900: All versions

FL/ET-T-V2H THU-6289: All versions

2PORT-EFR THU-6404: All versions


CPE2.3 External links

http://ics-cert.us-cert.gov/advisories/icsa-21-103-03

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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