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Case File

CVE-2021-34566

CRITICAL · CVSS 9.1 EPSS 1.04%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-11-09 · 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.

CVE
CVE-2021-34566
Severity
CRITICAL
CVSS
9.1
EPSS
1.04%

Original NVD Description

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash the iocheck process and write memory resulting in loss of integrity and DoS.

Related CVEs

Other vulnerabilities affecting the same vendor(s)