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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: Mitsubishi

Published: 2022-01-14T19:04:45

Updated: 2024-08-03T17:45:44.790Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2021-20612

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2022-01-14T20:15:09.850

Modified: 2023-08-08T14:21:49.707

Link: CVE-2021-20612

cve-icon Redhat

No data.