The Cybersecurity and Infrastructure Security Agency (CISA) has added a serious NextGen Healthcare Mirth Connect remote code execution vulnerability to its Known Exploited Vulnerability Catalog. The vulnerability, which affects data interoperability within healthcare systems, enables a threat actor to fully compromise a vulnerable Mirth Connect Server without requiring credentials. Many industry organizations have neglected to upgrade their systems despite a patch being available, leaving them vulnerable to exploitation.

UK firms are 'sleepwalking' into smart building cyber threats
Summarize this content to a maximum of 60 words: The convergence of operational technology and IT systems is posing serious risks for property firms.