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Attackers Can Backdoor CODESYS Applications by Chaining Vulnerabilities

📅 27 April 2026 at 08:40 UTC📰 Cyber Security NewsView original source ↗
Attackers Can Backdoor CODESYS Applications by Chaining Vulnerabilities

Multiple vulnerabilities in the CODESYS Control runtime, one of the world’s most widely adopted software-based programmable logic controller (Soft PLC) platforms. According to Nozomi Networks Labs researchers, by chaining these security flaws, an authenticated attacker can replace a legitimate industrial control application with a backdoored version, thereby escalating their privileges to full administrative control of […] The post Attackers Can Backdoor CODESYS Applications by Chaining Vulnerabilities appeared first on Cyber Security News.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Attackers can exploit multiple vulnerabilities in the CODESYS Control runtime to backdoor industrial control applications, escalating privileges to full administrative control. This chaining of vulnerabilities allows attackers to gain unauthorized access and control over critical infrastructure.

⚙️Technical Details
Affected Systems
CODESYS Control runtime
Attack Vectors
authenticated attacker
💥Impact Assessment
Severity: critical
Who Is at Risk
industrial control systems, particularly those using CODESYS Control runtime
🛡️Recommended Actions
1Implement patch management for CODESYS Control runtime
2Conduct regular vulnerability assessments and penetration testing
3Monitor industrial control systems for suspicious activity
📦Affected Products
CODESYS Control runtime

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