When the feed import isn't working:
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If the vulnerability feed hasn't been imported, Runtime Vulnerability Analytics cannot detect any third-party vulnerabilities.
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If the vulnerability feed has been imported but isn't currently working, Runtime Vulnerability Analytics continues to detect vulnerabilities from the imported vulnerability feed, but it cannot detect vulnerabilities that are added in the newer feed versions.
To fix this problem, verify your firewall rules. This issue can be diagnosed via the JMX metrics and fixed by ensuring that the server process can access the Mission Control endpoint https://mcsvc.dynatrace.com/vulnerabilityFeed/*.
