Security Advisory

CVE-2021-20612

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2022-01-14 19:04:45

Last updated 2024-08-03 17:45:44

Assigner Mitsubishi

CVSS score not scored

State PUBLISHED

Description

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 vulnerability, but system reset is required for recovery.

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