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wid-sec-w-2026-0832  ·  Published 2026-03-23  ·  View on BSI CERT-Bund ↗

CODESYS: Multiple Vulnerabilities

CVSS 8.8 HIGH

Risk Summary

A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution.

Affected Vendors

CODESYS

Affected Products (4)

CODESYS · CODESYS <3.5.22.0
CODESYS · CODESYS 3.5.22.0
CODESYS · CODESYS <4.21.0.0
CODESYS · CODESYS 4.21.0.0

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