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Multiple Critical Flaws Discovered in Honeywell Experion PKS and ACE Controllers

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesdayreleasedan advisory regarding multiple security vulnerabilities affecting all versions of Honeywell Experion Process Knowledge System C200, C200E, C300, and ACE controllers that could be exploited to achieve remote code execution and denial-of-service (DoS) conditions. “A Control Component Library (CCL) may be modified