CVSS: 9.4EPSS: 0%CPEs: 34EXPL: 0CVE-2022-29951
https://notcve.org/view.php?id=CVE-2022-29951
26 Jul 2022 — JTEKT TOYOPUC PLCs through 2022-04-29 mishandle authentication. They utilize the CMPLink/TCP protocol (configurable on ports 1024-65534 on either TCP or UDP) for a wide variety of engineering purposes such as starting and stopping the PLC, downloading and uploading projects, and changing configuration settings. This protocol does not have any authentication features, allowing any attacker capable of communicating with the port in question to invoke (a subset of) desired functionality. JTEKT TOYOPUC PLC vers... • https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-02 • CWE-306: Missing Authentication for Critical Function •
CVSS: 10.0EPSS: 0%CPEs: 34EXPL: 0CVE-2022-29958
https://notcve.org/view.php?id=CVE-2022-29958
26 Jul 2022 — JTEKT TOYOPUC PLCs through 2022-04-29 do not ensure data integrity. They utilize the unauthenticated CMPLink/TCP protocol for engineering purposes, including downloading projects and control logic to the PLC. Control logic is downloaded to the PLC on a block-by-block basis with a given memory address and a blob of machine code. The logic that is downloaded to the PLC is not cryptographically authenticated, allowing an attacker to execute arbitrary machine code on the PLC's CPU module in the context of the r... • https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-02 • CWE-345: Insufficient Verification of Data Authenticity •
CVSS: 7.5EPSS: 0%CPEs: 36EXPL: 0CVE-2021-27458
https://notcve.org/view.php?id=CVE-2021-27458
19 Apr 2021 — If Ethernet communication of the JTEKT Corporation TOYOPUC product series’ (TOYOPUC-PC10 Series: PC10G-CPU TCC-6353: All versions, PC10GE TCC-6464: All versions, PC10P TCC-6372: All versions, PC10P-DP TCC-6726: All versions, PC10P-DP-IO TCC-6752: All versions, PC10B-P TCC-6373: All versions, PC10B TCC-1021: All versions, PC10B-E/C TCU-6521: All versions, PC10E TCC-4737: All versions; TOYOPUC-Plus Series: Plus CPU TCC-6740: All versions, Plus EX TCU-6741: All versions, Plus EX2 TCU-6858: All versions, Plus E... • https://us-cert.cisa.gov/ics/advisories/icsa-21-103-03 • CWE-404: Improper Resource Shutdown or Release •