CVE-2021-20598

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R08/16/32/120SFCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to lockout a legitimate user by continuously trying login with incorrect password.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published: Aug 6, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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