AUGUST 4, 2026
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Case File

CVE-2021-20598

MEDIUM · CVSS 5.3 EPSS 1.51%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-06 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-20598
Severity
MEDIUM
CVSS
5.3
EPSS
1.51%

Original NVD 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.