AUGUST 4, 2026
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Case File

CVE-2023-4562

CRITICAL · CVSS 9.1 EPSS 0.85%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-10-13 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CVE
CVE-2023-4562
Severity
CRITICAL
CVSS
9.1
EPSS
0.85%

Original NVD Description

Improper Authentication vulnerability in Mitsubishi Electric Corporation MELSEC-F Series main modules allows a remote unauthenticated attacker to obtain sequence programs from the product or write malicious sequence programs or improper data in the product without authentication by sending illegitimate messages.

Related CVEs

Other vulnerabilities affecting the same vendor(s)