The latest update to the Mirth Connect tool by NextGen revealed a code execution vulnerability (CVE-2023-43208) in software versions pre-dating 4.4.1. According to the National Institute of Standards and Technology (NIST) analysis, the tool, aimed at healthcare, primarily has versions dating back to 2015/16 at risk, specifically those versions on the internet. NextGen recommended an upgrade to the latest software version to combat the vulnerability.

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.