How to Discover Log4Shell Vulnerabilities in Running Containers & Images | Qualys
Summary: Qualys describes how its Container Security sensor detects Log4Shell in running containers by scanning each container on a host for a running Java process, then checking whether that process has the log4j jar loaded and reporting the version if vulnerable. For container images, the sensor, version 1.10.1 or greater, looks for log4j jars in the image and inside each jar file, reporting any vulnerable instances found.
Bottom line: The detection depends on the sensor running in General mode on container hosts, so any host without it leaves its running Java containers unchecked for a vulnerability Qualys rates as high severity.
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