CVSS: 7.8EPSS: 0%CPEs: 6EXPL: 0CVE-2021-20613
https://notcve.org/view.php?id=CVE-2021-20613
14 Jan 2022 — Improper initialization vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.16 and prior, FX3U-ENET-L Firmware version 1.16 and prior and FX3U-ENET-P502 Firmware version 1.16 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product by sending specially crafted packets. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery. Una vulnerabilidad de inicialización in... • https://jvn.jp/vu/JVNVU93268332/index.html • CWE-665: Improper Initialization •
CVSS: 7.8EPSS: 0%CPEs: 6EXPL: 0CVE-2021-20612
https://notcve.org/view.php?id=CVE-2021-20612
14 Jan 2022 — Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.14 and prior, FX3U-ENET-L Firmware version 1.14 and prior and FX3U-ENET-P502 Firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product or other unspecified effects by sending specially crafted packets to an unnecessary opening of TCP port. Control by MELSEC-F series PLC is not affected by this vulnerabil... • https://jvn.jp/vu/JVNVU93268332/index.html •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2021-20596
https://notcve.org/view.php?id=CVE-2021-20596
22 Jul 2021 — NULL Pointer Dereference in MELSEC-F Series FX3U-ENET firmware version 1.14 and prior, FX3U-ENET-L firmware version 1.14 and prior and FX3U-ENET-P502 firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a DoS condition in communication by sending specially crafted packets. Control by MELSEC-F series PLC is not affected and system reset is required for recovery. Una desreferencia de puntero NULL en MELSEC-F Series FX3U-ENET versiones de firmware 1.14 y anteriores, FX3U-ENET-L ver... • https://jvn.jp/vu/JVNVU94348759/index.html • CWE-476: NULL Pointer Dereference •